| article html file updated | 7 February 2020 13:15 CET | Update | https://www.mdpi.com/1999-4893/9/3/54 |
| article html file updated | 5 May 2019 07:15 CEST | Update | N/A |
| article html file updated | 27 March 2019 13:30 CET | Update | N/A |
| article html file updated | 29 September 2016 08:18 CEST | Update | N/A |
| article html file updated | 12 August 2016 12:21 CEST | Original file | N/A |
| article xml uploaded. | 12 August 2016 12:19 CEST | Original file | https://www.mdpi.com/1999-4893/9/3/54/xml |
| article pdf uploaded. | 12 August 2016 12:19 CEST | Version of Record | https://www.mdpi.com/1999-4893/9/3/54/pdf |