| article html file updated | 6 February 2020 04:39 CET | Update | https://www.mdpi.com/1996-1944/6/10/4345 |
| article html file updated | 7 May 2019 23:50 CEST | Update | - |
| article html file updated | 21 March 2019 05:17 CET | Update | - |
| article html file updated | 4 February 2017 05:46 CET | Original file | - |
| article pdf uploaded. | 11 October 2013 17:44 CEST | Updated version of record | https://www.mdpi.com/1996-1944/6/10/4345/pdf |
| article pdf uploaded. | 8 October 2013 11:05 CEST | Updated version of record | https://www.mdpi.com/1996-1944/6/10/4345/pdf-vor |
| article pdf uploaded. | 30 September 2013 14:49 CEST | Version of Record | https://www.mdpi.com/1996-1944/6/10/4345/pdf-vor |
