| article html file updated | 7 February 2020 13:27 CET | Update | https://www.mdpi.com/1999-4893/9/3/55 |
| article html file updated | 5 May 2019 06:54 CEST | Update | - |
| article html file updated | 27 March 2019 13:52 CET | Update | - |
| article html file updated | 29 September 2016 08:18 CEST | Update | - |
| article html file updated | 17 August 2016 12:20 CEST | Original file | - |
| article xml uploaded. | 17 August 2016 12:19 CEST | Original file | https://www.mdpi.com/1999-4893/9/3/55/xml |
| article pdf uploaded. | 17 August 2016 12:19 CEST | Version of Record | https://www.mdpi.com/1999-4893/9/3/55/pdf |
