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Gayle MacDonald, left, with patient Laura Livingston at the Queen Elizabeth Hospital in Charlottetown. Mrs. MacDonald has volunteered more than 10,500 hours of her time at the hospital.Vanessa Tignanelli/The Globe and Mail

The Q&A is happening on Thursday, Sept. 17. Submit your questions now.

This summer, we featured the stories of volunteers in Canadian health care in our Care Between the Lines series.

From a non-profit organization in Saskatchewan that drives locals to their medical appointments, stylists giving free haircuts in a Charlottetown hospital, cyclists taking seniors out for outdoor excursions and many more stories, the series celebrated these volunteers while highlighting the gaps in a system that can feel isolating for patients.

Read more from our Care Between the Lines series

On Thursday, Sept. 17 at 1 p.m. ET, health editor Caroline Alphonso and national health reporter Alanna Smith will be answering your questions on the series, what volunteers are doing across the country, and how the Canadian health care system can better care for its patients.

Submit your questions in the box below, or send an e-mail to audience@globeandmail.com.