S. B. Lee and I. G. Jang, "Coil Layout Optimization for Maximizing the Power Transfer Efficiency of Wireless Power Transfer Systems with Multiple Transmitter Coils", IEEE Journal of Emerging and Selected Topics in Power Electronics, DOI: 10.1109/JESTPE.2019.2902258, (Average JIF Percentile (top 8.654%) and Impact factor (5.177)), 2019, Accepted.