| article html file updated | 6 February 2020 04:12 CET | Update | https://www.mdpi.com/1996-1944/6/9/3783 |
| article html file updated | 8 May 2019 00:50 CEST | Update | - |
| article html file updated | 21 March 2019 04:09 CET | Update | - |
| article html file updated | 4 February 2017 05:44 CET | Original file | - |
| article pdf uploaded. | 9 September 2013 16:23 CEST | Updated version of record | https://www.mdpi.com/1996-1944/6/9/3783/pdf |
| article pdf uploaded. | 6 September 2013 16:54 CEST | Updated version of record | https://www.mdpi.com/1996-1944/6/9/3783/pdf-vor |
| article pdf uploaded. | 5 September 2013 09:39 CEST | Version of Record | https://www.mdpi.com/1996-1944/6/9/3783/pdf-vor |
