| article html file updated | 7 February 2020 13:45 CET | Update | https://www.mdpi.com/1999-4893/9/3/57 |
| article html file updated | 5 May 2019 06:21 CEST | Update | N/A |
| article html file updated | 27 March 2019 14:29 CET | Update | N/A |
| article html file updated | 29 September 2016 08:18 CEST | Update | N/A |
| article html file updated | 23 August 2016 14:22 CEST | Original file | N/A |
| article xml uploaded. | 23 August 2016 14:21 CEST | Original file | https://www.mdpi.com/1999-4893/9/3/57/xml |
| article pdf uploaded. | 23 August 2016 14:21 CEST | Version of Record | https://www.mdpi.com/1999-4893/9/3/57/pdf |
