1. School of Materials Science and Engineering Nanyang Technological University 50 Nanyang Avenue 639798 Singapore
2. School of Chemical Engineering Sungkyunkwan University Suwon 16229 Republic of Korea
3. Biomedical Institute for Convergence at SKKU (BICS) Sungkyunkwan University Suwon 16229 Republic of Korea
4. Interdisciplinary Graduate School NTU Institute for Health Technologies Nanyang Technological University 50 Nanyang Avenue 639798 Singapore