| article html file updated | 12 August 2026 20:18 CEST | Update | https://www.mdpi.com/1996-1944/6/9/4122 |
| article html file updated | 6 February 2020 04:25 CET | Update | N/A |
| article html file updated | 8 May 2019 00:22 CEST | Update | N/A |
| article html file updated | 21 March 2019 04:40 CET | Update | N/A |
| article html file updated | 28 February 2017 04:02 CET | Original file | N/A |
| article pdf uploaded. | 25 September 2013 10:41 CEST | Updated version of record | https://www.mdpi.com/1996-1944/6/9/4122/pdf |
| article pdf uploaded. | 17 September 2013 13:52 CEST | Updated version of record | https://www.mdpi.com/1996-1944/6/9/4122/pdf-vor |
| article pdf uploaded. | 17 September 2013 13:49 CEST | Version of Record | https://www.mdpi.com/1996-1944/6/9/4122/pdf-vor |
