Tsukada, Sachiyuki http://orcid.org/0000-0002-1186-5232
Kurosaka, Kenji
Maeda, Tetsuyuki
Iida, Akihiro
Nishino, Masahiro
Hirasawa, Naoyuki
Article History
Received: 4 June 2018
Accepted: 11 September 2018
First Online: 20 September 2018
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: The Ethics Committee of Hokusuikai Kinen Hospital provided ethical oversight and study approval. All studies were conducted in adherence to the Declaration of Helsinki.
: All participants provided written informed consent.