| article html file updated | 8 February 2020 03:46 CET | Update | https://www.mdpi.com/1996-1944/10/4/421 |
| article html file updated | 24 September 2019 08:49 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:52 CEST | Update | N/A |
| article html file updated | 28 April 2017 09:26 CEST | Update | N/A |
| article html file updated | 17 April 2017 14:35 CEST | Original file | N/A |
| article xml uploaded. | 17 April 2017 14:34 CEST | Update | https://www.mdpi.com/1996-1944/10/4/421/xml |
| article pdf uploaded. | 17 April 2017 14:34 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/4/421/pdf |
