| article html file updated | 7 February 2020 12:48 CET | Update | https://www.mdpi.com/1999-4893/9/3/53 |
| article html file updated | 5 May 2019 08:03 CEST | Update | - |
| article html file updated | 27 March 2019 12:33 CET | Update | - |
| article html file updated | 29 September 2016 08:17 CEST | Update | - |
| article html file updated | 4 August 2016 13:03 CEST | Original file | - |
| article xml uploaded. | 4 August 2016 13:01 CEST | Update | https://www.mdpi.com/1999-4893/9/3/53/xml |
| article pdf uploaded. | 4 August 2016 13:01 CEST | Version of Record | https://www.mdpi.com/1999-4893/9/3/53/pdf |
