Gu Xiaogang^{1, 2, 3}, Xia Xiaogang^{1, 2, 3}, Zhang Nan^{1, 3}, Xiao Zhuojian^{1, 2, 3}, Fan Qingxia^{1, 3}, Yang Feng^{1, 2, 3}, Xiao Shiqia^{1, 2, 3}, Chen Huiliang^{1, 2, 3}, Zhou Weiya^{1, 2, 3, †}, Xie Sishen^{1, 2, 3, ‡}