**Author details**

Kwun Nam Hui1\* and Kwan San Hui2,3

\*Address all correspondence to: bizhui@pusan.ac.kr; kwanshui@um.cityu.edu.hk

1 Department of Materials Science and Engineering, Pusan National University, Geumjeong-Gu, Busan, Republic of Korea

2 Department of Systems Engineering & Engineering Management, City University of Hong Kong, Kowloon Tong, Hong Kong, China

3 Department of Mechanical Engineering, Hanyang University, Seongdong-gu, Seoul, Re‐ public of Korea
