Author Affiliations

Cheng-Sheng Huang,¹ Edwin Yue-Bun Pun,² and Wei-Chih Wang^1,3,*

¹Department of Mechanical Engineering, University of Washington, Seattle, Washington 98195, USA

²Department of Electronic Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong

³Department of Electrical Engineering, University of Washington, Seattle, Washington 98195, USA

^*Corresponding author: abong@u.washington.edu