This author has not been identified. Look up 'Truman Cheng' in GoogleThis author has not been identified. Look up 'Xue Zhang' in GoogleThis author has not been identified. Look up 'Calvin Sze Hang Ng' in GoogleThis author has not been identified. Look up 'Philip Wai Yan Chiu' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Zheng Li' in Google