1. Rush University Medical Center, Department of Behavioral Sciences, Rush Medical College, Rush University, Chicago, Illinois 60612, USA;
2. Department of Management, Culverhouse College of Commerce, University of Alabama, Tuscaloosa, Alabama 35487, USA;
3. Institut d'Administration des Entreprises, Université de Pau et des Pays de l'Adour, 64100 Bayonne, France;
4. Department of Organizational Behavior, Tel Aviv University, 69978 Ramat Aviv, Israel;