Medical science teaching and learning educational books available for Portuguese translations and also Spanish translations (proofreading)

We're launching a new book written in UK English and United States English word which teaches medical students and apprentice learning on the medical field or studying to be nurse's and doctors on the basics and standards guidance (guidelines) on so many things like, study of diseases, bacteria, viruses, symptoms, vaccines, treatments, types and uses of drugs and medical tools and more, to educate, teach and prepare the reader concerning anything based on the medical field. We're hiring qualified native Portuguese and Spanish speaking translators to translate from English to Portuguese and Spanish dialect / languages ​​so these books can also be exported to different Portuguese and Spanish speaking countries. Translator should be bilingual (English and Spanish and Portuguese maybe more) To ensure that they'll understand all English words written in the book, and there will be lots of grammatical words so proofreading experience would also be needed.