| article html file updated | 7 February 2020 21:28 CET | Update | https://www.mdpi.com/1996-1944/10/1/64 |
| article html file updated | 22 September 2019 21:21 CEST | Update | N/A |
| article html file updated | 4 May 2019 15:19 CEST | Update | N/A |
| article html file updated | 23 February 2017 02:42 CET | Update | N/A |
| article html file updated | 8 February 2017 09:23 CET | Update | N/A |
| article html file updated | 13 January 2017 12:49 CET | Original file | N/A |
| article xml uploaded. | 13 January 2017 12:48 CET | Original file | https://www.mdpi.com/1996-1944/10/1/64/xml |
| article pdf uploaded. | 13 January 2017 12:48 CET | Version of Record | https://www.mdpi.com/1996-1944/10/1/64/pdf |
