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Published on in Vol 9, No 8 (2020): August

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/19624, first published .
Prommera app on phone screen showing fitness icons, with laptop and notebook on desk

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

Stephanie Erika Bonn   1 , PhD ;   Mari Hult   1, 2 , MD ;   Kristina Spetz   3, 4 , MSc ;   Marie Löf   5, 6 , PhD ;   Ellen Andersson   3, 4 , MD, PhD ;   Mikael Wiren   7 , MD, PhD ;   Ylva Trolle Lagerros   1, 8 , MD, PhD

1 Clinical Epidemiology Division, Department of Medicine (Solna), Karolinska Institutet, Stockholm, Sweden

2 Division of Upper Abdominal Surgery, Karolinska University Hospital, Stockholm, Sweden

3 Department of Surgery, Linköping University, Norrköping, Sweden

4 Department of Biomedical and Clinical Sciences, Linköping University, Norrköping, Sweden

5 Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden

6 Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden

7 Department of Surgery, Ersta Hospital, Stockholm, Sweden

8 Center for Obesity, Academic Specialist Center, Stockholm Health Services, Stockholm, Sweden

Corresponding Author:

  • Stephanie Erika Bonn, PhD
  • Clinical Epidemiology Division
  • Department of Medicine (Solna)
  • Karolinska Institutet
  • Karolinska University Hospital, KEP T2:02
  • Stockholm 171 76
  • Sweden
  • Phone: 46 851779173
  • Email: stephanie.bonn@ki.se