| article html file updated | 6 February 2020 08:48 CET | Update | https://www.mdpi.com/1660-4601/11/4/4544 |
| article html file updated | 20 September 2019 07:44 CEST | Update | - |
| article html file updated | 7 May 2019 15:28 CEST | Update | - |
| article html file updated | 21 March 2019 16:01 CET | Update | - |
| article html file updated | 20 August 2015 04:21 CEST | Update | - |
| article html file updated | 27 May 2014 12:36 CEST | Original file | - |
| article xml file uploaded | 27 May 2014 12:36 CEST | Original file | https://www.mdpi.com/1660-4601/11/4/4544/xml |
| article pdf uploaded. | 23 April 2014 12:17 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/4/4544/pdf |
