Multicenter validation of a machine learning phase space electro-mechanical pulse wave analysis to predict elevated left ventricular end diastolic pressure at the point-of-care. oleh Sanjeev P Bhavnani, Rola Khedraki, Travis J Cohoon, Frederick J Meine, Thomas D Stuckey, Thomas McMinn, Jeremiah P Depta, Brett Bennett, Thomas McGarry, William Carroll, David Suh, John A Steuter, Michael Roberts, Horace R Gillins, Ian Shadforth, Emmanuel Lange, Abhinav Doomra, Mohammad Firouzi, Farhad Fathieh, Timothy Burton, Ali Khosousi, Shyam Ramchandani, William E Sanders, Frank Smart