“What Small Retailers Can Learn from Discovery’s Vitality Incentive Program”, Loyalty Box, March 13, 2015, http://www.theloyaltybox.com/blog/loyalty-ideas/what-small-retailers-can-learn-from-discoverys-vitality-incentive-program; Nossel, Craig, “Incentives That Create Healthy Behavior”, seminar, C3 Collaborating for Health, London, July 21, 2011, http://www.c3health.org/wp-content/uploads/2011/08/Craig-Nossel-seminar-FINAL –20110817.pdf.
