Evaluating the User Performance and Experience of Nucleus Pen vs. Commercially Available Pen Needle

"Subjects will be randomized to~1. Nucleus pen needle for the first 15-day period, or current pen needle (BD Nano™) for the second 15-day period or~2. subject's current pen needle (BD Nano™) for the first 15-day period, Nucleus pen needle for the second 15-day period"

"Subjects will be randomized to~1. Nucleus pen needle for the first 15-day period, or current pen needle (NovoFine®) for the second 15-day period or~2. subject's current pen needle (NovoFine®) for the first 15-day period, Nucleus pen needle for the second 15-day period"

"Subjects will be randomized to~1. Nucleus pen needle for the first 15-day period, or current pen needle (NovoTwist®/NovoFine Plus®) for the second 15-day period or~2. subject's current pen needle (NovoTwis®t/NovoFine® Plus) for the first 15-day period, Nucleus pen needle for the second 15-day period"

"Subjects will be randomized to~1. Nucleus pen needle for the first 15-day period, or current pen needle (Other Commercially Available Pen Needles) for the second 15-day period or~2. subject's current pen needle (Other Commercially Available Pen Needles) for the first 15-day period, Nucleus pen needle for the second 15-day period"