Rapid response to crisis: health system lessons from the active period of COVID-19

- Salvador-Carulla, Luis; Rosenberg, Sebastian; Mendoza, John; Tabatabaei-Jafari, Hossein; Almeda, Nerea; Aryani, Amir; Ayuso-Mateos, Jose-Luis; Bagheri, Nasser; Bertelli, Marco O.; Brogden, Lucinda; Castelpietra, Giulio; Barr, Lynne Coulson; Dalton, Hazel; Dudgeon, Pat; Erlangsen, Annette; Farmer, Jane; Furst, MaryAnne; Garcia-Alonso, Carlos; Gillespie, Jim; Gonzalez-Brito, Natalia; Kelly, Brian; Perkins, David