[1] Max Planck Inst Human Dev, Ctr Adapt Rat, Berlin, Germany
[2] Univ Erfurt, Inst Planetary Hlth Behav, Hlth Commun, POB 90 02 21, D-99105 Erfurt, Germany
[3] Bernhard Nocht Inst Trop Med, Hlth Commun, Implementat Res, Hamburg, Germany
[4] Univ Konstanz, Grad Sch Decis Sci, Constance, Germany
[5] Univ Konstanz, Dept Psychol, Constance, Germany
[6] Univ Konstanz, Ctr Adv Study Collect Behav, Constance, Germany
[7] Tech Univ Munich, Sch Management, Munich, Germany