Development of a Fully Automated Desktop Analyzer and Ultrahigh Sensitivity Digital Immunoassay for SARS-CoV-2 Nucleocapsid Antigen Detection oleh Ryotaro Chiba, Kei Miyakawa, Kotaro Aoki, Takamitsu J. Morikawa, Yoshiki Moriizumi, Takuma Degawa, Yoshiyuki Arai, Osamu Segawa, Kengo Tanaka, Hideji Tajima, Susumu Arai, Hisatoshi Yoshinaga, Ryohei Tsukada, Akira Tani, Haruhito Fuji, Akinobu Sato, Yoshikazu Ishii, Kazuhiro Tateda, Akihide Ryo, Toru Yoshimura