| article html file updated | 7 February 2020 12:40 CET | Update | https://www.mdpi.com/1996-1944/9/8/647 |
| article html file updated | 5 May 2019 08:21 CEST | Update | N/A |
| article html file updated | 27 March 2019 12:05 CET | Update | N/A |
| article html file updated | 26 August 2016 06:58 CEST | Update | N/A |
| article html file updated | 1 August 2016 11:33 CEST | Original file | N/A |
| article xml uploaded. | 1 August 2016 11:32 CEST | Update | https://www.mdpi.com/1996-1944/9/8/647/xml |
| article pdf uploaded. | 1 August 2016 11:32 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/8/647/pdf |
