1. Department of Mathematics and Statistics, Chonnam National University, Gwangju 61186, Republic of Korea
2. Asian Pear Research Institute, Chonnam National University, Gwangju 61186, Republic of Korea
3. Industry-Academic Cooperation Foundation, Sunchon National University, Sunchon 57922, Republic of Korea
4. Department of Statistics, Chonnam National University, Gwangju 61186, Republic of Korea
5. Department of Horticulture, College of Agriculture and Life Sciences, Chonnam National University, Gwangju 61186, Republic of Korea
6. Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju 61186, Republic of Korea