| article html file updated | 7 February 2020 07:46 CET | Update | https://www.mdpi.com/1996-1944/9/5/306 |
| article html file updated | 5 May 2019 17:38 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:54 CET | Update | N/A |
| article html file updated | 27 May 2016 07:54 CEST | Update | N/A |
| article html file updated | 25 April 2016 12:35 CEST | Original file | N/A |
| article xml uploaded. | 25 April 2016 12:34 CEST | Original file | https://www.mdpi.com/1996-1944/9/5/306/xml |
| article pdf uploaded. | 25 April 2016 12:34 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/5/306/pdf |
