| article html file updated | 6 February 2020 06:42 CET | Update | https://www.mdpi.com/1660-4601/11/1/1020 |
| article html file updated | 7 May 2019 19:51 CEST | Update | - |
| article html file updated | 21 March 2019 10:57 CET | Update | - |
| article html file updated | 19 August 2015 17:11 CEST | Update | - |
| article html file updated | 17 February 2014 11:22 CET | Original file | - |
| article xml file uploaded | 17 February 2014 11:22 CET | Original file | https://www.mdpi.com/1660-4601/11/1/1020/xml |
| article pdf uploaded. | 13 January 2014 09:42 CET | Version of Record | https://www.mdpi.com/1660-4601/11/1/1020/pdf |
