| article html file updated | 6 February 2020 06:21 CET | Update | https://www.mdpi.com/1660-4601/11/1/173 |
| article html file updated | 7 May 2019 20:35 CEST | Update | - |
| article html file updated | 21 March 2019 09:51 CET | Update | - |
| article html file updated | 19 August 2015 14:30 CEST | Update | - |
| article html file updated | 17 February 2014 11:08 CET | Original file | - |
| article xml file uploaded | 17 February 2014 11:07 CET | Original file | https://www.mdpi.com/1660-4601/11/1/173/xml |
| article pdf uploaded. | 30 December 2013 16:12 CET | Updated version of record | https://www.mdpi.com/1660-4601/11/1/173/pdf |
| article pdf uploaded. | 20 December 2013 10:42 CET | Version of Record | https://www.mdpi.com/1660-4601/11/1/173/pdf-vor |
