| article html file updated | 7 February 2020 21:59 CET | Update | https://www.mdpi.com/1996-1944/10/1/91 |
| article html file updated | 23 September 2019 00:15 CEST | Update | - |
| article html file updated | 4 May 2019 14:03 CEST | Update | - |
| article html file updated | 23 February 2017 02:49 CET | Update | - |
| article html file updated | 8 February 2017 09:39 CET | Update | - |
| article html file updated | 22 January 2017 11:07 CET | Original file | - |
| article xml uploaded. | 22 January 2017 11:06 CET | Update | https://www.mdpi.com/1996-1944/10/1/91/xml |
| article xml uploaded. | 22 January 2017 11:06 CET | Original file | - |
| article pdf uploaded. | 22 January 2017 11:06 CET | Version of Record | https://www.mdpi.com/1996-1944/10/1/91/pdf |
