1. Institute of Physics, Humboldt University, Newtonstrasse 15, 12489 Berlin, Germany
2. Department of Biology, Saratov State University, Astrakhanskaya 82, 410012 Saratov, Russia
3. Sleep Medicine Center, Charité-Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
4. Optics Valley Laboratory, Huazhong University of Science and Technology, Wuhan 430074, China
5. Advanced Biomedical Imaging Facility, School of Optical Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China
6. Britton Chance Center for Biomedical Photonics, MoE Key Laboratory for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics, Advanced Biomedical Imaging Facility, Huazhong University of Science and Technology, Wuhan 430074, China
7. Potsdam Institute for Climate Impact Research, Department of Complexity Science, Telegrafenberg A31, 14473 Potsdam, Germany