Corrigendum to "Tetrahydrobiopterin therapy vs phenylalanine-restricted diet: impact on growth in PKU" [Mol. Genet. Metab. 109 (2013) 331-338].

a Division of Metabolism, Cruces University Hospital, Plaza de Cruces, s/n, 48903 Barakaldo, Spain b Metabolic Disorders, Dietetics and Nutrition Unit, Virgen del Rocio University Hospital, Avda. Manuel Siurot, s/n, 41013 Sevilla, Spain c Unit of Diagnosis and Treatment of Congenital Metabolic Diseases, Department of Pediatrics, Hospital Clinico Universitario de Santiago de Compostela, CIBERER, Health Research Institute of Santiago de Compostela (IDIS), A Choupana, s/n, 15706 Santiago de Compostela, A Coruna, Spain d Nutrition and Metabolopathologies Unit, La Fe University Hospital, Bulevar Sur, s/n, 46026 Valencia, Spain e Gastroenterology, Hepatology and Child Nutrition Unit, Carlos Haya University Hospital, Avda. Arroyo de los Angeles, s/n, 29011 Malaga, Spain f Paediatrics Unit, Rio Hortega University Hospital, Calle Dulzaina, 2, 47012 Valladolid, Spain g Gastroenterology Unit, Virgen de la Arrixaca University Hospital, Ctra. Madrid-Cartagena, s/n, 30120 El Palmar, Murcia, Spain h Metabolic Pathologies Unit, Miguel Servet University Hospital, Paseo de Isabel La Catolica, 1-3, 50009 Zaragoza, Spain i Nephrology and Metabolism Unit, Marques de Valdecilla University Hospital, Avda. Valdecilla, 25, 39008 Santander, Spain j Paediatrics Unit, Nuestra Senora de la Candelaria University Hospital, Carretera del Rosario, 145, 38010 Santa Cruz de Tenerife, Spain k Metabolic Pathologies and Neuropaediatrics Unit, Son Espases University Hospital, Carretera de Valldemossa, 79, 07120 Palma de Mallorca, Spain l Metabolic Pathologies Unit, Maternal and Child Hospital, Calle de la Violeta, 1, 06010 Badajoz, Spain m Gastroenterology and Paediatric Nutrition Unit, Virgen del Camino Hospital, Calle de Irunlarrea, 4, 31008 Pamplona, Spain