| article html file updated | 6 February 2020 08:29 CET | Update | https://www.mdpi.com/1660-4601/11/4/3937 |
| article html file updated | 7 May 2019 16:09 CEST | Update | - |
| article html file updated | 21 March 2019 15:14 CET | Update | - |
| article html file updated | 20 August 2015 02:40 CEST | Update | - |
| article html file updated | 27 May 2014 12:34 CEST | Original file | - |
| article xml file uploaded | 27 May 2014 12:34 CEST | Original file | https://www.mdpi.com/1660-4601/11/4/3937/xml |
| article pdf uploaded. | 14 April 2014 14:52 CEST | Updated version of record | https://www.mdpi.com/1660-4601/11/4/3937/pdf |
| article pdf uploaded. | 9 April 2014 15:49 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/4/3937/pdf-vor |
