1. Center for Gendered Innovations in Science and Technology Researches (GISTeR), Korea Federation of Women's Science & Technology Associations, Seoul 06130, Korea.
2. Cancer Epidemiology Program, University of Hawaii Cancer Center, Honolulu, Hawaii 96813, USA.
3. Department of Food and Nutrition, Daejeon University, Daejeon 34520, Korea.
4. Daejeon Dong-gu Center for Children's Food Service Management, Daejeon University, Daejeon 34520, Korea.