The;
Key;
Laboratory;
for;
Biomedical;
Photonics;
of;
the;
Ministry;
of;
Education,;
Wuhan;
National;
Laboratory;
for;
Optoelectronics,;
Department;
of;
Biomedical;
Engineering,;
Huazhong;
University;
of;
Science;
and;
Technology,;
Wuhan;
430074,;
China;
Department;
of;
Anatomy,;
Southern;
Medical;
University,;
G;
uangzhou;
510515,;
China;