| article html file updated | 6 February 2020 06:54 CET | Update | https://www.mdpi.com/1660-4601/11/2/1250 |
| article html file updated | 7 May 2019 19:27 CEST | Update | - |
| article html file updated | 21 March 2019 11:27 CET | Update | - |
| article html file updated | 19 August 2015 18:30 CEST | Update | - |
| article html file updated | 18 March 2014 09:36 CET | Original file | - |
| article xml file uploaded | 18 March 2014 09:36 CET | Original file | https://www.mdpi.com/1660-4601/11/2/1250/xml |
| article pdf uploaded. | 23 January 2014 13:47 CET | Version of Record | https://www.mdpi.com/1660-4601/11/2/1250/pdf |
