Nakayama, Hirokazu http://orcid.org/0000-0001-9758-8004
Suzuki, Masahiro
Kato, Toshiaki
Echizen, Hirotoshi
Article History
First Online: 1 June 2019
Compliance with Ethical Standards
:
: This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.
: The authors declare no conflicts of interest.
: The protocol of the present study was approved by Ethics Committee of NTT Medical Center Tokyo prior to the study (the approval number: 17‒227).
: The IRB waived the requirement of written informed consent from patients, because the present study had a retrospective design and the data used were obtained from routine medical care including TDM. Nevertheless, the study was conducted with full consideration of protecting patients’ personal information according to the guidelines on privacy policy.