202180
The publication of study protocols has been proposed by some , including Trials editor-in-chief Doug Altman , as a way to improve medical research on at least four areas : Publishing protocols before they are finalised will allow others to provide constructive criticism , potentially improving the suggested trial ; readers of scientific articles will be able to compare what was intended with the trial to what was actually done , in order to identify inappropriate data dredging ; in general , protocol publication lets people know what is underway , reducing the risk of wasteful duplication of research effort and ensures that results from all trials are published , reducing the risk of publication bias in systematic review s ; and finally , efforts to increase publication of protocols may also improve trial registration in registers such as ClinicalTrials . gov .
 person: Doug Altman
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Doug Altman 
Answer:
 person: Doug Altman