1. Guangdong
Key Laboratory for Biomedical Measurements and Ultrasound Imaging,
School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen 518060, China
2. Key
Laboratory of Optoelectronic Devices and Systems of Ministry of Education
and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
3. Laboratory
of Molecular Imaging and Nanomedicine, National Institute of Biomedical
Imaging and Bioengineering, National Institutes of Health, Bethesda, Maryland 20892, United States