| article html file updated | 6 February 2020 03:57 CET | Update | https://www.mdpi.com/1660-4601/10/9/3818 |
| article html file updated | 20 September 2019 00:24 CEST | Update | - |
| article html file updated | 8 May 2019 01:21 CEST | Update | - |
| article html file updated | 21 March 2019 03:29 CET | Update | - |
| article html file updated | 17 June 2015 12:35 CEST | Update | - |
| article html file updated | 25 October 2013 09:37 CEST | Original file | - |
| article xml file uploaded | 25 October 2013 09:37 CEST | Original file | https://www.mdpi.com/1660-4601/10/9/3818/xml |
| article pdf uploaded. | 22 August 2013 14:35 CEST | Version of Record | https://www.mdpi.com/1660-4601/10/9/3818/pdf |
