“…• Excess footsteps: A cost of bubble clustering that is easy to overlook is the distance that HCPs have to travel in order to provide patient care. As shown in [19], HCPs in a MICU (especially MICU nurses) tend to provide care to rooms that are typically close to each other. Ideally, we want to ensure that the number of footsteps that HCPs take in order to provide care as per the rewired graph is not too much larger than the number of footsteps HCPs that take in baseline mobility data.…”