In the review article “Tools used for evaluation of Brazilian children's quality of life” [Rev Paul Pediatr 2014;32(2):272-8], on page 274, Table 1, sixth column (“Availability of the instrument”), on the second line of the table, where it reads:
“Free/available from: HealthActCHQ (www.healthact.com/chq.php); Morales26”
It should read:
“Permission needed. Exclusive intellectual property of HACHQ, protected by international copyright laws (http://www.healthactchq.com/)”.
On page 276, first column, second paragraph, where it reads:
“More information about the instrument and which languages it has been translated to, as well as one of its versions in full can be obtained on the website HealthActCHQ (http://www.healthact.com/chq.php). It is noteworthy that some studies, such as the one by Morales,26 present the full version of the instrument in Portuguese, as well as guidelines for its application and analysis.”
It should read:
“More information about the instrument and which languages it has been translated to can be obtained via the HealthActCHQ portal (http://www.healthactchq.com/). It is noteworthy that the instrument is of exclusive intellectual property of HealthActCHQ e and is totally protected by USA and international copyright laws. CHQ cannot be used without permission from HACHQ”.