Why did the group of Dr. Desai from Cleveland Clinic in Ohio choose different journals to publish their two papers about sports watch accuracy validation?

What made cardiologists who published a first paper in Medicine & Science in Sports & Exercise, which was founded in 1969: https://journals.lww.com/acsm-msse/Fulltext/2017/08000/Variable_Accuracy_of_Wearable_Heart_Rate_Monitors.22.aspx publish their second paper about sports watch accuracy validation in Cardiovascular Diagnosis and Therapy, a journal which was founded in 2011. Is the older journal not the better journal? Did they submit the …