| article html file updated | 6 February 2020 18:05 CET | Update | https://www.mdpi.com/1424-8220/15/5/9815 |
| article html file updated | 6 May 2019 21:06 CEST | Update | - |
| article html file updated | 26 March 2019 01:31 CET | Update | - |
| article html file updated | 21 August 2015 11:15 CEST | Update | - |
| article html file updated | 1 July 2015 13:13 CEST | Original file | - |
| article xml file uploaded | 1 July 2015 13:13 CEST | Original file | https://www.mdpi.com/1424-8220/15/5/9815/xml |
| article pdf uploaded. | 27 April 2015 13:00 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/5/9815/pdf |
