This author has not been identified. Look up 'Xiaoyuan Xie' in GoogleThis author has not been identified. Look up 'Joshua W. K. Ho' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Christian Murphy' in GoogleThis author has not been identified. Look up 'Gail E. Kaiser' in GoogleThis author has not been identified. Look up 'Baowen Xu' in GoogleThis author has not been identified. Look up 'Tsong Yueh Chen' in Google