| article html file updated | 7 February 2020 09:19 CET | Update | https://www.mdpi.com/1999-4893/9/2/36 |
| article html file updated | 5 May 2019 14:37 CEST | Update | - |
| article html file updated | 27 March 2019 05:49 CET | Update | - |
| article html file updated | 27 June 2016 12:17 CEST | Update | - |
| article html file updated | 2 June 2016 12:20 CEST | Update | - |
| article xml uploaded. | 2 June 2016 12:18 CEST | Update | https://www.mdpi.com/1999-4893/9/2/36/xml |
| article pdf uploaded. | 2 June 2016 12:18 CEST | Updated version of record | https://www.mdpi.com/1999-4893/9/2/36/pdf |
| article html file updated | 26 May 2016 10:38 CEST | Original file | - |
| article pdf uploaded. | 26 May 2016 10:35 CEST | Version of Record | https://www.mdpi.com/1999-4893/9/2/36/pdf-vor |
