1. Graduate School of Public Health, Seoul National University, 1 Gwanak-ro, Seoul 08826, Republic of Korea
2. National Institute of Forest Science (NIFoS), 57, Hoegi-ro, Seoul 02455, Republic of Korea
3. Department of Counseling Psychology, Sun Moon University, 70 Sunmoon-ro 211 beon-gil, Asan-si 31460, Republic of Korea
4. Department of Counselling Psychology, Seoul University of Buddhism, 8, Doksan-ro 70-gil, Seoul 08559, Republic of Korea