Fig. 1

Recruitment of GP practices and patient flow. *Data are based on general information for Switzerland [17, 18], not specifically for Geneva. ^§Three GP practices directly responded to first email contact (group practice N = 2; individual practice N = 1), four directly responded to first phone contact (group practice N = 3; individual practice N = 1), and eight had to be contacted again by phone and/or email (group practice N = 3; individual practice N = 5)