Data collection
Institutional review board approval was not required for this observational study using anonymized patient data in the JADER database, which is freely available to the public. Data recorded from April 2004 to May 2021 were downloaded from the Pharmaceuticals and Medical Devices Agency website (http://www.pmda.go.jp/) on October 3, 2021. Two authors (K.K. and S.M.) independently collected and collated the data.