Lymphoblastoid interferon-α with or without steroid pre-treatment in children with chronic hepatitis B: A multi-centre controlled trial 1Dept of Child Health, King's College School of Medicine and Dentistry, London, UK; 2Hospital Infantil La Paz, Madrid, Spain; 3Dipartimento di Pediatria, Universitá Degli Studi di Napoli Federico II, Naples, Italy; dClinica Medica 2, Universitá di Padova, Padua, Italy