| article html file updated | 6 February 2020 17:46 CET | Update | https://www.mdpi.com/1660-3397/13/4/2390 |
| article html file updated | 6 May 2019 21:45 CEST | Update | - |
| article html file updated | 26 March 2019 00:51 CET | Update | - |
| article html file updated | 21 August 2015 10:41 CEST | Update | - |
| article html file updated | 29 April 2015 11:29 CEST | Update | - |
| article xml file uploaded | 29 April 2015 11:29 CEST | Update | https://www.mdpi.com/1660-3397/13/4/2390/xml |
| article html file updated | 27 April 2015 11:40 CEST | Original file | - |
| article xml file uploaded | 27 April 2015 11:40 CEST | Original file | - |
| article pdf uploaded. | 22 April 2015 12:01 CEST | Updated version of record | https://www.mdpi.com/1660-3397/13/4/2390/pdf |
| article pdf uploaded. | 17 April 2015 11:53 CEST | Version of Record | https://www.mdpi.com/1660-3397/13/4/2390/pdf-vor |