| article html file updated | 6 February 2020 18:54 CET | Update | https://www.mdpi.com/1424-8220/15/5/11972 |
| article html file updated | 6 May 2019 19:28 CEST | Update | - |
| article html file updated | 26 March 2019 03:13 CET | Update | - |
| article html file updated | 21 August 2015 12:29 CEST | Update | - |
| article html file updated | 1 July 2015 13:15 CEST | Original file | - |
| article xml file uploaded | 1 July 2015 13:15 CEST | Original file | https://www.mdpi.com/1424-8220/15/5/11972/xml |
| article pdf uploaded. | 22 May 2015 11:48 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/5/11972/pdf |
