| article html file updated | 8 February 2020 03:51 CET | Update | https://www.mdpi.com/1996-1944/10/4/424 |
| article html file updated | 24 September 2019 09:24 CEST | Update | - |
| article html file updated | 4 May 2019 01:42 CEST | Update | - |
| article html file updated | 28 April 2017 09:27 CEST | Update | - |
| article html file updated | 18 April 2017 15:47 CEST | Original file | - |
| article xml uploaded. | 18 April 2017 15:46 CEST | Original file | https://www.mdpi.com/1996-1944/10/4/424/xml |
| article pdf uploaded. | 18 April 2017 15:46 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/4/424/pdf |
