Appendix A. Semistructured interview guide.

Date:
Profession	MD-Attending; MD-Fellow; MD-Resident Medical Student; Nurse Practitioner; Registered Nurse
How long have you been a [physician, nurse, student]?
How long have you worked in the neonatal intensive care unit (NICU)?
Please describe your routine on a typical day in the NICU.  When you walk up to a baby, what do you do to assess the situation? What's the very first thing that you physically do?
There are a lot of devices and data displayed in the NICU, which ones do you pay the most attention to? What kind of information do you get from them?
If a new piece of equipment arrived in the NICU, how would you integrate a new approach into your practice of taking care of infants?
Do you feel there are any personal obstacles that could prevent you from incorporating a new approach into your practice?
Can you tell me a little bit about when and how you were introduced to the HeRO monitor?  Do you remember when you were introduced to the HeRO monitor and how that took place?  How did you learn to use the data available through the HeRO monitor?  Since you were first introduced to the HeRO monitor, how do new members of the care team learn about HeRO?
How does HeRO play a role in your practice?  What information do you get from HeRO?  What role does HeRO play in terms of all the other monitor information you use?
Does the literature on the HeRO monitor currently, or when you first were introduced to it, inform your practice?
Is there anything else you would like to tell me about your practice when it comes to the HeRO monitor?
Would you share your observations about how other members of the NICU healthcare team use HeRO?  Is there a difference in how they use it?  Do you find that certain members of the team look more at the trend compared with the absolute value?  HeRO data are presented or used differently by the nurses compared with nurse practitioners?  Do parents provide any information about HeRO scores?