As a parent planning a pediatric travel first-aid kit, what is the recommended weight-based dosing for paracetamol for toddlers and how should dosing be adjusted when using syrup, chewables, or suppositories in real-world travel scenarios (e.g., flights, hospitals in foreign countries), and could you point to reliable guidelines for safe dosing, such as the guide I found here: —sorry for including a link, but it helps illustrate the dosing?