It's not just the material but the arrangement https://en.wikipedia.org/wiki/One-plus-five#Criticism https://en.wikipedia.org/wiki/One-plus-five#Criticism e: T

It's not just the material but the arrangement https://en.wikipedia.org/wiki/One-plus-five#Criticism https://en.wikipedia.org/wiki/One-plus-five#Criticism e: The study you linked is also a decade older than the type of construction we're talking about :)