| article html file updated | 7 February 2020 11:28 CET | Update | https://www.mdpi.com/1996-1944/9/7/556 |
| article html file updated | 5 May 2019 10:35 CEST | Update | - |
| article html file updated | 27 March 2019 09:50 CET | Update | - |
| article html file updated | 29 July 2016 10:47 CEST | Update | - |
| article html file updated | 9 July 2016 11:24 CEST | Original file | - |
| article xml uploaded. | 9 July 2016 11:23 CEST | Original file | https://www.mdpi.com/1996-1944/9/7/556/xml |
| article pdf uploaded. | 9 July 2016 11:23 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/7/556/pdf |
