下列有關血管炎症候群(vasculitis syndrome)與臨床相關的配對中，何者最正確？(1)Granulomatosis with polyangiitis－usually cANCA (+)；(2)Takayasu arteritis－difference in bilateral. brachial blood pressure；(3)Giant cell arteritis－high incidence in young age group；(4)Eosinophilic granulomatosis with polyangiitis－high incidence in old age group；(5)Henoch-Schonlein purpura－increase in serum IgA；(6)Polyarteritis nodosa－chronic pancreatitis；(7)Cryoglobulinemic vasculitis－associated with hepatitis C；(8)Behcet's disease－usually pANCA (+)；(9)Microscopic polyangiitis－usually associated with sinusitis