1 Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon, 24341, Republic of Korea.
2 Institute of Forest Science, Kangwon National University, Chuncheon, 24341, Republic of Korea.
3 Department of Forest Products Technology, Faculty of Forestry, FC Korea Land Co., Ltd., Seoul, 07271, Republic of Korea.
4 Universitas Sumatera Utara, Medan, 20155, Indonesia.
5 Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon, 24341, Republic of Korea. kimnh@kangwon.ac.kr.