Arun Abraham1, Graham Nichol2, Kathryn A. Williams1, Ann Guo1, Robert A. deKemp1, Linda Garrard1, Ross A. Davies1, Lloyd Duchesne1, Haissam Haddad1, Benjamin Chow1, Jean DaSilva1, and Rob S.B. Beanlands1
for the PARR 2 Investigators

Mikhael F. El-Chami, MD,* Patrick Kilgo, MS,§ Vinod Thourani, MD,† Omar M. Lattouf, MD,†
David B. Delurgio, MD,* Robert A. Guyton, MD,† Angel R. Leon, MD,*‡ John D. Puskas, MD†‡

Alexandros Vegiopoulos,1* Karin Müller-Decker,2* Daniela Strzoda,1 Iris Schmitt,1 Evgeny Chichelnitskiy,1 Anke Ostertag,1 Mauricio Berriel Diaz,1 Jan Rozman,3 Martin Hrabe de Angelis,3 Rolf M. Nüsing,4 Carola W. Meyer,5 Walter Wahli,6
Martin Klingenspor,7 Stephan Herzig1†

Paolo Marzullo, Alessandro Minocci, Maria Antonella Tagliaferri, Gabriele Guzzaloni, Annamaria Di Blasio, Clotilde De Medici, Gianluca Aimaretti,
and Antonio Liuzzi

LVKS Bhaskar1,3, K Thangaraj1, G Pardhasaradhi1, KP Kumar1, L Singh1 and VR Rao2,4

Liang Sun, MSc*, Zhijie Yu, MD, PhD*, Xingwang Ye, PhD†, Shurong Zou, MD, MSc‡, Huaixing Li, PhD*, Danxia Yu, MSc*, Hongyu Wu, MSc*, Yan Chen, MD, PhD*, Joel Dore,
PhD§, Karine Clément, MD, PhD|| ¶ #, Frank B. Hu, MD, PhD**, and Xu Lin, MD, PhD*

BILJANA BOZIC, PhD,1,2 GORAN LONCAR, MD, MSc,3 NENAD PRODANOVIC, MD, PhD,4 ZORAN RADOJICIC, PhD,5
VOJKAN CVOROVIC, MD, MSc,6 SINISA DIMKOVIC, MD, PhD,3 AND VERA POPOVIC-BRKIC, MD, PhD, FRCP7

MARIA ROSA COSTANZO, MD, FACC, FAHA,1 MITCHELL T. SALTZBERG, MD, FACC, FAHA,2
MARIELL JESSUP, MD, FACC, FAHA,3 JOHN R. TEERLINK, MD, FACC, FAHA, FESC,4 AND PAUL A. SOBOTKA, MD, FACC,5
ULTRAFILTRATION VERSUS INTRAVENOUS DIURETICS FOR PATIENTS HOSPITALIZED FOR ACUTE DECOMPENSATED
HEART FAILURE (UNLOAD) INVESTIGATORS

An Offer to Improve
Strong Collaborative Relationships

Shengshou Hu, MD, PhD*; Zhe Zheng, MD, PhD*; Xin Yuan, MD, PhD*; Wei Wang, MD;
Yunhu Song, MD; Hansong Sun, MD; Jianping Xu, MD