*Patients are indicated by their codes, HuC1–HuC8; all patients reported having eaten marinated anchovies before onset of illness. CTAB,
cetyltrimethylammonium bromide (8).
† Determined by ImmunoCAP ISAC diagnostic test (Phadia, Uppsala, Sweden).
‡Maxwell 16 Instrument System (Promega, Madison, WI, USA)