February 8, 2019
    
    
    
                    Max R. Lambert,                     Tien Tran,                     Andrzej Kilian,                     Tariq Ezaz,                     David K. Skelly            
            
                    
        
 
                                            
    February 25, 2019
    
    
    
                    Christopher K. Akcali,                     Hibraim Adán Pérez-Mendoza,                     David Salazar-Valenzuela,                     David W. Kikuchi,                     Juan M. Guayasamin,                     David W. Pfennig            
            
                    
        
 
                                            
    February 19, 2019
    
    
    
                    Jianli Xiong,                     Baowei Zhang,                     Qiangqiang Liu,                     Tao Pan,                     Jianping Gou            
            
                    
        
 
                                            
    February 19, 2019
    
    
    
                    Hironobu Fukami,                     Kenji Iwao,                     Naoki H. Kumagai,                     Masaya Morita,                     Naoko Isomura