1. School of Conservation-Restoration, Shanghai Institute of Visual Arts No.2200. Wen Xiang Road, Songjiang District, 201620, Shanghai People's Republic of China
2. Institute of Preservation and Conservation for Chinese Ancient Books, Fudan University Science Library, Room (East) 219, Handan Road, 220, Shanghai People's Republic of China
3. Faculty of Design Sciences, Heritage Department—Conservation Studies University of Antwerp Blindestraat, 9, B-2000 Antwerp Belgium