Dekker J H¹, Visser E¹, Vermeulen K M², Messelink E J³, Schram A J⁴, Kollen B J¹, Berger M Y¹, de Bock G H²
1. Department of General Practice, University Medical Center Groningen, Groningen, The Netherlands, 2. Department of Epidemiology, University Medical Center Groningen, Groningen, The Netherlands, 3. Department of Urology, University Medical Center Groningen, Groningen, The Netherlands, 4. Department of Gynaecology, University Medical Center Groningen, Groningen, The Netherlands

Sjöström M¹, Umefjord G¹, Stenlund H¹, Carlbring P², Andersson G³, Samuelsson E¹
1. Department of Public Health and Clinical Medicine, Umeå University, Sweden, 2. Department of Psychology, Umeå University, Sweden, 3. Department of Behavioural Sciences and Learning, Linköping University, Sweden

Sathiananthamoorthy S¹, Swamy S¹, Kupelian A¹, Horsley H², Gill K¹, Collins L³, Malone-Lee J¹
1. University College London (UCL), UK, 2. Royal Veterinary College, UK, 3. University of Southamptom

Wang C¹, Qu C¹, Chen J¹, Yin L¹, Xu D¹, Cui X¹, Yao Y¹
1. Changzheng Hospital, Second Millitary Medical University