Risk Stratification of Patients With Acute Symptomatic Pulmonary Embolism Based on Presence or Absence of Lower Extremity DVT - Cecilia Becattini; Alexander T. Cohen; Giancarlo Agnelli; Luke Howard; Borja Castejón; Javier Trujillo‐Santos; Manuel Monréal; Arnaud Perrier; Roger D. Yusen; David Jiménez (2015)