Chang, Angela Y., Cowling, Krycia, Micah, Angela E., Chapin, Abigail, Chen, Catherine S., Ikilezi, Gloria, Sadat, Nafis, Tsakalos, Golsum, Wu, Junjie, Younker, Theodore, Zhao, Yingxi, Zlavog, Bianca S., Abbafati, Cristiana, Ahmed, Anwar E., Alam, Khurshid, Alipour, Vahid, Aljunid, Syed Mohamed, Almalki, Mohammed J., Alvis-Guzman, Nelson, Ammar, Walid, Khan, Md Nuruzzaman, Karyani, AK, Khabiri, R, Khan, J, Khang, Y-H, Kisa, A, Kissimova-Skarbek, K, Kohler, S, Koyanagi, A, Krohn, KJ, Leung, R, Lim, L-L, Lorkowski, S, Majeed, A, Malekzadeh, R, Mansourian, M, Mantovani, LG, Massenburg, BB, Mckee, M, Mehta, V, Meretoja, A, Meretoja, TJ, Kostova, NM, Miller, TR, Mirrakhimov, EM, Mohajer, B, Darwesh, AM, Mohammed, S, Mohebi, F, Mokdad, AH, Morrison, SD, Mousavi, SM, Muthupandian, S, Nagarajan, AJ, Nangia, V, Cuong, TN, Huong, LTN, Son, HN, Nosratnejad, S, Oladimeji, O, Olgiati, S, Olusanya, JO, Onwujekwe, OE, Otstavnov, SS, Pana, A, Pereira, DM, Piroozi, B, Prada, S, Qorbani, M, Rabiee, M, Rabiee, N, Rafiei, A, Rahim, F, Rahimi-Mcwaghar, V, Ram, U, Ranabhat, CL, Ranta, A, Rawaf, DL, Rawaf, S, Rezaei, S, Roro, EM, Rostami, A, Rubino, S, Salahshoor, M, Samy, AM, Sanabria, J, Santos, JV, Santric Milicevic, MM, Sao Jose, BP, Savic, M, Schwendicke, F, Sepanlou, SG, Sepehrimanesh, M, Sheikh, A, Shrime, MG, Sisay, S, Soltani, S, Soofi, M, Srinivasan, V, Tabares-Seisdedos, R, Torre, A, Tovani-Palone, MR, Bach, XT, Khanh, BT, Undurraga, EA, Valdez, PR, Van Boven, JFM, Vargas, V, Veisani, Y, Violante, FS, Vladimirov, SK, Vlassov, V, Vollmer, S, Giang, TV, Wolfe, CDA, Yonemoto, N, Younis, MZ, Yousefifard, M, Bin Zaman, S, Zangeneh, A, Andrei, Catalina Liliana, Zegeye, EA, Ziapour, A, Chew, A, Murray, CJL, Dieleman, JL, Anjomshoa, M, Antonio, CAT, Arabloo, J, Aremu, O, Ausloos, M, Avila-Burgos, L, Awasthi, A, Ayanore, MA, Azari, S, Azzopardi-Muscat, N, Bagherzadeh, M, Baernighausen, TW, Baune, BT, Bayati, M, Belay, YB, Belay, YA, Belete, H, Berbada, DA, Berman, AE, Beuran, M, Bijani, A, Busse, R, Cahuana-Hurtado, L, Alberto Camera, L, Catala-Lopez, F, Chauhan, BG, Constantin, M-M, Crowe, CS, Cucu, A, Dalal, K, De Neve, J-W, Deipatine, S, Demeke, FM, Huyen, PD, Dubey, M, El Tantawi, M, Eskandarieh, S, Esmaeili, R, Fakhar, M, Fazaeli, AA, Fischer, F, Foigt, NA, Fukumoto, T, Fullman, N, Galan, A, Gamkrelidze, A, Gezae, KE, Ghajar, A, Ghashghaee, A, Goginashvili, K, Haakenstad, A, Bidgoli, HH, Hamidi, S, Harb, HL, Hasanpoor, E, Hassen, HY, Hay, S, Hendrie, D, Henok, A, Heredia-Pi, I, Herteliu, C, Hoang, CL, Hole, MK, Rad, EH, Hossain, N, Hosseinzadeh, M, Hostiuc, S, Ilesanmi, OS, Irvani, SSN, Jakovljevic, M, Jalali, A, James, SL, Jonas, JB, Jurisson, M, Kadel, R, Matin, BK, Kasaeian, A, Kasaye, HK, Kassaw, MW. Elsevier; 2019. Past, present, and future of global health financing: a review of development assistance, government, out-of-pocket, and other private spending on health for 195 countries, 1995-2050.

Galles, Natalie C., Liu, Patrick Y., Abbas, Kaja M., Christopher, DJ, Chu, D-T, Chung, S-C, Cortesi, PA, Costa, VM, Couto, RAS, Dadras, O, Dagnew, AB, Dagnew, B, Dai, X, Abbasi, Sumra Wajid, Dandona, L, Dandona, R, De Neve, J-W, Molla, MD, Derseh, BT, Desai, R, Desta, AA, Dhamnetiya, D, Dhimal, ML, Dhimal, M, Abbastabar, Hedayat, Dianatinasab, M, Diaz, D, Djalalinia, S, Dorostkar, F, Edem, B, Edinur, HA, Eftekharzadeh, S, El Sayed, I, Zaki, MES, Elhadi, M, Abd-Allah, Foad, El-Jaafary, S, Elsharkawy, A, Enany, S, Erkhembayar, R, Esezobor, CI, Eskandarieh, S, Ezeonwumelu, IJ, Ezzikouri, S, Fares, J, Faris, PS, Abdoli, Amir, Feleke, BE, Ferede, TY, Fernandes, E, Fernandes, JC, Ferrara, P, Filip, I, Fischer, F, Francis, MR, Fukumoto, T, Gad, MM, Abolhassani, Hassan, Gaidhane, S, Gallus, S, Garg, T, Geberemariyam, BS, Gebre, T, Gebregiorgis, BG, Gebremedhin, KB, Gebremichael, B, Gessner, BD, Ghadiri, K, Abosetugn, Akine Eshete, Ghafourifard, M, Ghashghaee, A, Gilani, SA, Glavan, I-R, Glushkova, EV, Golechha, M, Gonfa, KB, Gopalani, SV, Goudarzi, H, Gubari, MIM, Adabi, Maryam, Guo, Y, Gupta, VB, Gupta, VK, Gutierrez, RA, Haeuser, E, Halwani, R, Hamidi, S, Hanif, A, Haque, S, Harapan, H, Adamu, Abdu A., Hargono, A, Hashi, A, Hassan, S, Hassanein, MH, Hassanipour, S, Hassankhani, H, Hay, S, Hayat, K, Hegazy, M, Heidari, G, Adetokunboh, Olatunji O., Hezam, K, Holla, R, Hoque, ME, Hosseini, M, Hosseinzadeh, M, Hostiuc, M, Househ, M, Hsieh, VC-R, Huang, J, Humayun, A, Updike, Rachel L., Adnani, Qorinah Estiningtyas Sakilah, Hussain, R, Hussein, NR, Ibitoye, SE, Ilesanmi, OS, Ilic, IM, Ilic, MD, Inamdar, S, Iqbal, U, Irham, LM, Irvani, SSN, Advani, SM, Islam, SMS, Ismail, NE, Itumalla, R, Jha, RP, Joukar, F, Kabir, A, Kabir, Z, Kalhor, R, Kamal, Z, Kamande, SM, Afzal, S, Kandel, H, Karch, A, Kassahun, G, Kassebaum, NJ, Katoto, PD, Kelkay, B, Kengne, AP, Khader, YS, Khajuria, H, Khalil, IA, Aghamir, SMK, Khan, EA, Khan, G, Khan, J, Khan, M, Ab Khan, M, Khang, Y-H, Khoja, AT, Khubchandani, J, Kim, GR, Kim, MS, Ahinkorah, BO, Kim, YJ, Kimokoti, RW, Kisa, A, Kisa, S, Korshunov, VA, Kosen, S, Defo, BK, Kulkarni, V, Kumar, A, Kumar, GA, Ahmad, S, Kumar, N, Kwarteng, A, La Vecchia, C, Lami, FH, Landires, I, Lasrado, S, Lassi, ZS, Lee, H, Lee, YY, Levi, M, Ahmad, T, Lewycka, S, Li, S, Liu, X, Lobo, SW, Lopukhov, PD, Lozano, R, Saute, RL, Razek, MMAE, Makki, A, Malik, AA, Ahmadi, S, Mansour-Ghanaei, F, Mansournia, MA, Mantovani, LG, Martins-Melo, FR, Matthews, PC, Medina, JRC, Mendoza, W, Menezes, RG, Mengesha, EW, Meretoja, TJ, Ahmed, H, Mersha, Amanual Getnet, Mesregah, MK, Mestrovic, T, Miazgowski, B, Milne, GJ, Mirica, A, Mirrakhimov, EM, Mirzaei, HR, Misra, S, Mithra, P, Ahmed, MB, Moghadaszadeh, M, Mohamed, TA, Mohammad, KA, Mohammad, Y, Mohammadi, M, Mohammadian-Hafshejani, A, Mohammed, A, Mohammed, S, Mohapatra, A, Mokdad, AH, Fullman, Nancy, Rashid, TA, Molokhia, M, Monasta, L, Moni, MA, Al Montasir, A, Moore, CE, Moradi, G, Moradzadeh, R, Moraga, P, Mueller, UO, Munro, SB, Salih, YA, Naghavi, M, Naimzada, MD, Naveed, M, Nayak, BP, Negoi, I, Kandel, SN, Nguyen, TH, Nikbakhsh, R, Ningrum, DNA, Nixon, MR, Akalu, Y, Nnaji, CA, Noubiap, JJ, Nunez-Samudio, V, Nwatah, VE, Oancea, B, Ochir, C, Ogbo, FA, Olagunju, AT, Olakunde, BO, Onwujekwe, OE, Aklilu, A, Otstavnov, N, Otstavnov, SS, Owolabi, MO, Padubidri, JR, Pakshir, K, Park, E-C, Kan, FP, Pathak, M, Paudel, R, Pawar, S, Akunna, CJ, Pereira, J, Peres, MFP, Perianayagam, A, Pinheiro, M, Pirestani, M, Podder, V, Polibin, R, Pollok, RCG, Postma, MJ, Pottoo, FH, Al Hamad, H, Rabiee, M, Rabiee, N, Radfar, A, Rafiei, A, Rahimi-Movaghar, V, Rahman, M, Rahmani, AM, Rahmawaty, S, Rajesh, A, Ramshaw, RE, Alahdab, F, Ranasinghe, P, Rao, CR, Rao, SJ, Rathi, P, Rawaf, DL, Rawaf, S, Renzaho, AMN, Rezaei, N, Rezai, MS, Rios-Blancas, M, Albano, L, Rogowski, ELB, Ronfani, L, Rwegerera, GM, Saad, AM, Sabour, S, Saddik, B, Saeb, MR, Saeed, U, Sahebkar, A, Sahraian, MA, Alemayehu, Y, Salam, N, Salimzadeh, H, Samaei, M, Samy, AM, Sanabria, J, Sanmarchi, F, Santric-Milicevic, MM, Sartorius, B, Sarveazad, A, Sathian, B, Alene, KA, Sawhney, M, Saxena, D, Saxena, S, Seidu, A-A, Seylani, A, Shaikh, MA, Shamsizadeh, M, Shetty, PH, Shigematsu, M, Shin, JI, Nguyen, Jason, Al-Eyadhy, A, Sidemo, NB, Singh, A, Singh, JA, Sinha, S, Skryabin, VY, Skryabina, AA, Soheili, A, Tadesse, EG, Tamiru, AT, Tan, K-K, Alhassan, RK, Tekalegn, Y, Temsah, M-H, Thakur, B, Thapar, R, Thavamani, A, Tobe-Gai, R, Tohidinik, HR, Tovani-Palone, MR, Traini, E, Bach, XT, Ali, L, Tripathi, M, Tsegaye, B, Tsegaye, GW, Ullah, A, Ullah, S, Ullah, S, Unim, B, Vacante, M, Velazquez, DZ, Vo, B, Aljunid, SM, Vollmer, S, Giang, TV, Linh, GV, Waheed, Y, Winkler, AS, Wiysonge, CS, Yigit, V, Yirdaw, BW, Yon, DK, Yonemoto, N, Almustanyir, S, Yu, C, Yuce, D, Yunusa, I, Zamani, M, Zamanian, M, Zewdie, DT, Zhang, Z-J, Zhong, C, Zumla, A, Murray, CJL, Altirkawi, KA, Lim, SS, Mosser, JF, Alvis-Guzman, N, Amu, H, Andrei, CL, Andrei, T, Rolfe, Sam, Ansar, A, Ansari-Moghaddam, A, Antonazzo, IC, Antony, B, Arabloo, J, Arab-Zozani, M, Artanti, KD, Arulappan, J, Awan, AT, Awoke, MA, Sbarra, Alyssa N., Ayza, MA, Azarian, G, Azzam, AY, Darshan, BB, Babar, Z-U-D, Balakrishnan, S, Banach, M, Bante, SA, Barnighausen, TW, Barqawi, HJ, Schipp, Megan F., Barrow, A, Bassat, Q, Bayarmagnai, N, Ramirez, DFB, Bekuma, TT, Belay, HG, Belgaumi, UI, Bhagavathula, AS, Bhandari, D, Bhardwaj, N, Marks, Ashley, Bhardwaj, P, Bhaskar, S, Bhattacharyya, K, Bibi, S, Bijani, A, Biondi, A, Boloor, A, Braithwaite, D, Buonsenso, D, Butt, ZA, Abady, Gdiom Gebreheat, Camargos, P, Carreras, G, Carvalho, F, Castaneda-Orjuela, CA, Chakinala, RC, Charan, J, Chatterjee, S, Chattu, SK, Chattu, VK, Chowdhury, FR. Elsevier Science Inc; 2021. Measuring routine childhood vaccination coverage in 204 countries and territories, 1980–2019: a systematic analysis for the Global Burden of Disease Study 2020, Release 1.