Wei Ren (Shanghai University, 99 Shangda Rd, Baoshan, Shanghai, China, 200444)

Alessandro Stroppa (CNR-SPIN, Via Vetoio, 67100, L’Aquila, Italy)

Mois I. Aroyo  (Department of Physics, University of the Basque Country, UPV/EHU, Apto. 644, 48080 Bilbao, Spain) 

International Centre for Quantum and Molecular Structures, Shanghai University

KouShare, International Union of Crystallography, Commission on Mathematical and Theoretical Crystallography, Shanghai Physcial Sociaty