TY - JOUR TI - Editorial SN - 0949-1619 SN - 1439-0213 PY - 2018 JF - PPH LA - DE VL - 31 IS - 01 SP - 1 EP - 1 DA - 2018/01/24 PB - © Georg Thieme Verlag KG DO - 10.1055/s-0043-121779 UR - http://www.thieme-connect.com/products/ejournals/abstract/10.1055/s-0043-121779 ER -