| article html file updated | 6 February 2020 07:17 CET | Update | https://www.mdpi.com/1660-4601/11/2/2049 |
| article html file updated | 7 May 2019 18:36 CEST | Update | - |
| article html file updated | 21 March 2019 12:24 CET | Update | - |
| article html file updated | 19 August 2015 20:32 CEST | Update | - |
| article html file updated | 18 March 2014 09:40 CET | Original file | - |
| article xml file uploaded | 18 March 2014 09:40 CET | Original file | https://www.mdpi.com/1660-4601/11/2/2049/xml |
| article pdf uploaded. | 17 February 2014 11:51 CET | Version of Record | https://www.mdpi.com/1660-4601/11/2/2049/pdf |
