December 4, 2018
    
    
    
                    Khalil Kariman,                     Susan Jane Barker,                     Mark Tibbett            
            
                    
        
 
                                            
    December 20, 2018
    
    
    
                    Agnieszka Rewicz,                     Monika Rewers,                     Iwona Jędrzejczyk,                     Tomasz Rewicz,                     Jeremi Kołodziejek,                     Anna Jakubska-Busse            
            
                    
        
 
                                            
    December 21, 2018
    
    
    
                    Guoying Yang,                     Zhi Guo,                     Hongting Ji,                     Jing Sheng,                     Liugen Chen,                     Yanwen Zhao