| article html file updated | 6 February 2020 20:21 CET | Update | https://www.mdpi.com/1660-4601/12/7/7506 |
| article html file updated | 6 May 2019 16:25 CEST | Update | - |
| article html file updated | 26 March 2019 05:57 CET | Update | - |
| article html file updated | 21 August 2015 14:29 CEST | Update | - |
| article html file updated | 27 July 2015 12:52 CEST | Original file | - |
| article xml file uploaded | 27 July 2015 12:52 CEST | Original file | https://www.mdpi.com/1660-4601/12/7/7506/xml |
| article pdf uploaded. | 6 July 2015 09:44 CEST | Version of Record | https://www.mdpi.com/1660-4601/12/7/7506/pdf |
