Authors: Valentin Walker; Anne Crijns; Johannes Langendijk; Daan Spoor; Rozemarijn Vliegenthart; Stephanie E Combs; Michael Mayinger; Arantxa Eraso; Ferran Guedea; Manuela Fiuza; Susana Constantino; Radia Tamarat; Dominique Laurier; Jean Ferrières; Elie Mousseaux; Elisabeth Cardis; Sophie Jacob Journal: JMIR Res Protoc Date: 2018-10-01