A Study of Administration of RoActemra/Actemra (Tocilizumab) by Auto-injector Vs. Pre-filled Syringe in Healthy Volunteers

Inclusion Criteria: * Healthy volunteers, age 18 to 65 years inclusive * Intact normal skin without potentially obscuring tattoos, pigmentation, lesion in the area for intended injection * A body mass index (BMI) between 18 to 32 kg/m2 inclusive Exclusion Criteria: * Volunteers with any known active current or history of recurrent bacterial, viral, fungal, mycobacterial or other infections * A history of clinically significant gastrointestinal, renal, hepatic, cardiovascular, or allergic disease