[1] Univ Penn, Philadelphia, PA USA
[2] Ctr Home Care Policy & Res VNS Hlth, New York, NY USA
[3] Link Campus Univ, Rome, Italy
[4] Sapienza Univ Rome, Rome, Italy
[5] Univ Milano Bicocca, Bicocca, Italy
[6] Univ Connecticut, Storrs, CT USA
[7] Linkoping Univ, Linkoping, Sweden
[8] Campus Biomed Univ, Rome, Italy
[9] Univ Roma Tor Vergata, Rome, Italy
[10] Wroclaw Med Univ, Wroclaw, Poland