Rationale and design of the pullback pressure gradient (PPG) global registry

Daniel Munhoz, Carlos Collet, Takuya Mizukami, A. Yong, Antonio Maria Leone, Ashkan Eftekhari, Brian Ko, Bruno R. da Costa, Colin Berry, Damien Collison, Divaka Perera, Evald Høj Christiansen, Fernando Rivero, Frederik M. Zimmermann, Hirohiko Ando, Hitoshi Matsuo, Masafumi Nakayama, Javier Escaned, Jeroen Sonck, Koshiro Sakai, Julien Adjedj, Liyew Desta, Lokien X. van Nunen, Nick E.J. West, Stéphane Fournier, Tatyana Storozhenko, Tetsuya Amano, Thomas Engstrøm, Tom Johnson, Toshiro Shinke, Simone Biscaglia, William F. Fearon, Ziad A. Ali, Bernard De Bruyne, Nils P. Johnson