| article html file updated | 8 February 2020 07:35 CET | Update | https://www.mdpi.com/1996-1944/10/6/621 |
| article html file updated | 25 September 2019 04:52 CEST | Update | N/A |
| article html file updated | 3 May 2019 18:46 CEST | Update | N/A |
| article html file updated | 27 June 2017 10:51 CEST | Update | N/A |
| article html file updated | 7 June 2017 11:38 CEST | Original file | N/A |
| article xml uploaded. | 7 June 2017 11:37 CEST | Original file | https://www.mdpi.com/1996-1944/10/6/621/xml |
| article pdf uploaded. | 7 June 2017 11:37 CEST | Updated version of record | https://www.mdpi.com/1996-1944/10/6/621/pdf |
| article pdf uploaded. | 6 June 2017 12:42 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/6/621/pdf-vor |
