| article html file updated | 6 February 2020 08:28 CET | Update | https://www.mdpi.com/1424-8220/14/4/6567 |
| article html file updated | 9 January 2020 04:38 CET | Update | - |
| article html file updated | 20 September 2019 07:13 CEST | Update | - |
| article html file updated | 7 May 2019 16:11 CEST | Update | - |
| article html file updated | 21 March 2019 15:12 CET | Update | - |
| article html file updated | 20 August 2015 02:33 CEST | Update | - |
| article html file updated | 25 July 2014 12:20 CEST | Update | - |
| article xml file uploaded | 25 July 2014 12:20 CEST | Update | https://www.mdpi.com/1424-8220/14/4/6567/xml |
| article html file updated | 20 May 2014 13:52 CEST | Original file | - |
| article xml file uploaded | 20 May 2014 13:52 CEST | Original file | - |
| article pdf uploaded. | 10 April 2014 15:57 CEST | Updated version of record | https://www.mdpi.com/1424-8220/14/4/6567/pdf |
| article pdf uploaded. | 9 April 2014 13:34 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/4/6567/pdf-vor |
