An 8-week web-based weight loss challenge with celebrity endorsement and enhanced social support: observational study

- Hutchesson, Melinda J., Collins, Clare E., Morgan, Philip J., Callister, Robin

Efficacy of standard versus enhanced features in a Web-based commercial weight-loss program for obese adults, part 2: randomized controlled trial

- Collins, Clare E., Morgan, Philip J., Hutchesson, Melinda J., Callister, Robin