| article html file updated | 7 February 2020 07:56 CET | Update | https://www.mdpi.com/1996-1944/9/5/321 |
| article html file updated | 5 May 2019 17:16 CEST | Update | N/A |
| article html file updated | 27 March 2019 03:16 CET | Update | N/A |
| article html file updated | 27 May 2016 08:03 CEST | Update | N/A |
| article html file updated | 28 April 2016 13:54 CEST | Original file | N/A |
| article xml uploaded. | 28 April 2016 13:46 CEST | Original file | https://www.mdpi.com/1996-1944/9/5/321/xml |
| article pdf uploaded. | 28 April 2016 13:46 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/5/321/pdf |
