| article html file updated | 6 February 2020 18:02 CET | Update | https://www.mdpi.com/1424-8220/15/5/9666 |
| article html file updated | 6 May 2019 21:13 CEST | Update | - |
| article html file updated | 26 March 2019 01:23 CET | Update | - |
| article html file updated | 21 August 2015 11:09 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/1424-8220/15/5/9666/xml |
| article pdf uploaded. | 29 April 2015 10:35 CEST | Updated version of record | https://www.mdpi.com/1424-8220/15/5/9666/pdf |
| article pdf uploaded. | 24 April 2015 12:43 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/5/9666/pdf-vor |
