Smart Insulin Pens Market by Product (Smart Insulin Pen, and Adaptors For Conventional Pen); By Connectivity type (Bluetooth, and USB); By Application (Type 1 Diabetes, And Type 2 Diabetes); By Distribution Channel (Hospitals, Online Sales, Retail Pharmacy, and Diabetes Clinics/Centers); By Geography (North America, Asia-Pacific, Europe, South America, and RoW), Industry Trends, Estimation & Forecast, 2018 – 2026