| article html file updated | 7 February 2020 07:28 CET | Update | https://www.mdpi.com/1996-1944/9/4/295 |
| article html file updated | 5 May 2019 18:13 CEST | Update | - |
| article html file updated | 27 March 2019 02:18 CET | Update | - |
| article html file updated | 28 April 2016 11:11 CEST | Update | - |
| article html file updated | 19 April 2016 14:34 CEST | Original file | - |
| article xml uploaded. | 19 April 2016 14:32 CEST | Original file | https://www.mdpi.com/1996-1944/9/4/295/xml |
| article pdf uploaded. | 19 April 2016 14:32 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/4/295/pdf |
