Psychological Attachment Orientation and Long-Term Posttraumatic Stress Symptoms Among Family Members of ICU Patients oleh Qiang Zhang, BA, Andrea K. Knies, Dr rer. Medic, Jolanta Pach, BS, Tara Kimbrough, MD, Aida Martinez, MD, Prerak Juthani, BA, Stephanie Tu, BS, Joan K. Monin, PhD, Ana-Maria Vranceanu, PhD, David Y. Hwang, MD