App Technology to Support Physical Activity and Intake of Vitamins and Minerals After Bariatric Surgery (the PromMera Study): Protocol of a Randomized Controlled Clinical Trial

App Technology to Support Physical Activity and Intake of Vitamins and Minerals After Bariatric Surgery (the PromMera Study): Protocol of a Randomized Controlled Clinical Trial

Authors of this article:

Stephanie Erika Bonn¹ ;   Mari Hult^{1, 2} ;   Kristina Spetz^{3, 4} ;   Marie Löf^{5, 6} ;   Ellen Andersson^{3, 4} ;   Mikael Wiren⁷ ;   Ylva Trolle Lagerros^{1, 8}