[1] Cent Michigan Univ, Recreat Pk & Leisure Serv Adm, Mt Pleasant, MI 48859 USA
[2] Korea Univ, Dept Phys Educ, Seoul, South Korea
[3] North Carolina State Univ, Pk Recreat & Tourism Management, Raleigh, NC 27695 USA
[4] Korea Univ, Ctr Curriculum, Seoul, South Korea
[5] Korea Univ, Inst Studies, Seoul, South Korea
[6] Seoul Natl Univ Sci & Technol, Dept Sports Sci, Seoul, South Korea