7. Clinically relevant sensitivity against perennial allergens [house dust mites (Dermatophagoides pteronyssinus, Dermatophagoides farinae), molds (Cladosporium cladosporioides, Alternaria alternata, Penicillium chrysogenum, Aspergillus fumigatus), cat epithelia (Felis domesticus), dog epithelia (Canis familiaris) and horse epithelia (Equus caballus)], documented by a positive case history, prick test wheal size ≥3 mm in diameter larger than the negative control or radioallergosorbent test with class ≥2. Exceptions: The Investigator may judge the sensitivity as not clinically relevant.