| article html file updated | 6 February 2020 22:56 CET | Update | https://www.mdpi.com/1996-1944/8/9/5313 |
| article html file updated | 6 May 2019 11:04 CEST | Update | N/A |
| article html file updated | 26 March 2019 11:00 CET | Original file | N/A |
| article pdf uploaded. | 23 September 2015 06:23 CEST | Updated version of record | https://www.mdpi.com/1996-1944/8/9/5313/pdf |
| article pdf uploaded. | 18 September 2015 09:18 CEST | Version of Record | https://www.mdpi.com/1996-1944/8/9/5313/pdf-vor |
