Langerhans' cell histiocytosis can manifest as three distinct clinicopathologic entities: acute disseminated Langerhans' histiocytosis (previously known as Letterer-Siwe disease), unifocal Langerhans' cell histiocytosis (previously known as eosinophilic granuloma).
average handle time (AHT) Average handle time (AHT) is a call center metric for the average duration of one transaction, typically measured from the customer's initiation of the call and including any hold time, talk time and related tasks that follow the transaction. AHT is a prime factor when deciding call center staffing levels.
There are always going to be problems with estimates and averages, and so politicians need to handle them with care. Camp here demonstrates a textbook case for how to use such data. He placed the average time burden of 13 hours in the right context, noting that it includes record-keeping and reading the rules.