1. Department of Physical Education and Movement, Kibbutzim College of Education Technology and the Arts, Tel Aviv, Israel;
2. School of Psychology, Interdisciplinary Center (IDC), Herzliya, Israel;
3. School of Health and Welfare, Halmstad University, Halmstad, Sweden;
4. Elite Sport Department, The Olympic Committee of Israel and the Sports Authority, Wingate Institute, Netanya, Israel