| article html file updated | 6 February 2020 03:32 CET | Update | https://www.mdpi.com/1660-4601/10/8/3172 |
| article html file updated | 8 May 2019 02:15 CEST | Update | - |
| article html file updated | 21 March 2019 02:15 CET | Update | - |
| article html file updated | 17 June 2015 11:54 CEST | Original file | - |
| article pdf uploaded. | 5 August 2013 09:02 CEST | Updated version of record | https://www.mdpi.com/1660-4601/10/8/3172/pdf |
| article pdf uploaded. | 31 July 2013 11:40 CEST | Version of Record | https://www.mdpi.com/1660-4601/10/8/3172/pdf-vor |
