| Affiliation: | 1. School of Geography, Beijing Normal University, Beijing 100875, China;2. Songliao Water Resources Commission of Ministry of Water Resources, Changchun 130021, China;1. Department of Surgery-Transplant and Mary & Dick Holland Regenerative Medicine Program, College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA;2. Department of Mechanical and Materials Engineering, College of Engineering, University of Nebraska Lincoln, Lincoln, NE, USA;3. Department of Orthopaedic Surgery and Rehabilitation, College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA;4. Department of Surgical Specialties, College of Dentistry, University of Nebraska Medical Center, Omaha, NE, USA |
