| article html file updated | 6 February 2020 07:06 CET | Update | https://www.mdpi.com/1660-4601/11/2/1715 |
| article html file updated | 7 May 2019 18:57 CEST | Update | - |
| article html file updated | 21 March 2019 11:58 CET | Update | - |
| article html file updated | 19 August 2015 19:34 CEST | Update | - |
| article html file updated | 18 March 2014 09:39 CET | Original file | - |
| article xml file uploaded | 18 March 2014 09:38 CET | Original file | https://www.mdpi.com/1660-4601/11/2/1715/xml |
| article pdf uploaded. | 4 February 2014 09:31 CET | Version of Record | https://www.mdpi.com/1660-4601/11/2/1715/pdf |
