[1] Katholieke Univ Leuven, Res Grp Work Org & Personnel Psychol, Leuven, Belgium
[2] North West Univ, Optentia Res Unit, Potchefstroom, South Africa
[3] Univ Utrecht, Dept Psychol, Utrecht, Netherlands
[4] Katholieke Univ Leuven, KU Leuven Inst Healthcare Policy, Leuven, Belgium
[5] Katholieke Univ Leuven, Fac Psychol & Educ Sci, Van den Heuvelinstituut VHI,Dekenstr 2, B-3000 Leuven, Belgium