| article html file updated | 7 February 2020 07:52 CET | Update | https://www.mdpi.com/1996-1944/9/5/310 |
| article html file updated | 5 May 2019 17:24 CEST | Update | - |
| article html file updated | 27 March 2019 03:09 CET | Update | - |
| article html file updated | 27 May 2016 07:55 CEST | Update | - |
| article html file updated | 27 April 2016 14:08 CEST | Original file | - |
| article xml uploaded. | 27 April 2016 14:07 CEST | Original file | https://www.mdpi.com/1996-1944/9/5/310/xml |
| article pdf uploaded. | 27 April 2016 14:07 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/5/310/pdf |
