Response by Fujisawa et al to Letter Regarding Article, "Pulmonary Artery Denervation by Determining Targeted Ablation Sites for Treatment of Pulmonary Arterial Hypertension". (February 2018) - Fujisawa, Taishi; Kataoka, Masaharu; Kawakami, Takashi; Isobe, Sarasa; Nakajima, Kazuaki; Kunitomi, Akira; Kashimura, Shin; Katsumata, Yoshinori; Nishiyama, Takahiko; Kimura, Takehiro; Nishiyama, Nobuhiro; Aizawa, Yoshiyasu; et al.