| article html file updated | 6 February 2020 06:59 CET | Update | https://www.mdpi.com/1660-4601/11/2/1444 |
| article html file updated | 7 May 2019 19:15 CEST | Update | - |
| article html file updated | 21 March 2019 11:40 CET | Update | - |
| article html file updated | 19 August 2015 18:59 CEST | Update | - |
| article html file updated | 18 March 2014 09:37 CET | Original file | - |
| article xml file uploaded | 18 March 2014 09:37 CET | Original file | https://www.mdpi.com/1660-4601/11/2/1444/xml |
| article pdf uploaded. | 27 January 2014 16:08 CET | Version of Record | https://www.mdpi.com/1660-4601/11/2/1444/pdf |
