| article html file updated | 29 August 2025 23:17 CEST | Update | https://www.mdpi.com/1424-8247/9/3/36 |
| article html file updated | 16 July 2022 02:43 CEST | Update | - |
| article html file updated | 7 February 2020 10:49 CET | Update | - |
| article html file updated | 5 May 2019 11:45 CEST | Update | - |
| article html file updated | 27 March 2019 08:39 CET | Update | - |
| article html file updated | 9 November 2017 12:30 CET | Update | - |
| article html file updated | 27 October 2017 10:42 CEST | Update | - |
| article html file updated | 28 September 2016 11:55 CEST | Update | - |
| article html file updated | 27 June 2016 11:02 CEST | Original file | - |
| article xml uploaded. | 27 June 2016 11:01 CEST | Update | https://www.mdpi.com/1424-8247/9/3/36/xml |
| article pdf uploaded. | 27 June 2016 11:01 CEST | Version of Record | https://www.mdpi.com/1424-8247/9/3/36/pdf |