You are given the sentence: "Dr. Anya Sharma, a lead researcher at the Global Health Institute, published a groundbreaking study on malaria vaccines in the 'Journal of Medicine'." The named entities identified are 'Dr. Anya Sharma', 'Global Health Institute', and 'Journal of Medicine'. Write a clear and concise instruction for a language model to identify and describe the relationships between these three entities based only on the provided sentence.