1. Center for Advanced Diffusion-Wave and Photoacoustic Technologies (CADIPT), University of Toronto, Toronto, Ontario M5S 3G8, Canada
2. School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu 610054, China
3. Diffusion-Wave Diagnostic Technologies, Toronto, Ontario M1M 2V3, Canada
4. Advanced Processing Equipment Technology (APET) Co., Ltd, 20-15, Sukwoo-Dong, Hwaseong-City, Gyeonggi-do 463-802, South Korea