| article html file updated | 29 August 2025 22:31 CEST | Update | https://www.mdpi.com/2309-608X/2/1/3 |
| article html file updated | 20 August 2025 22:09 CEST | Update | - |
| article html file updated | 16 July 2022 01:30 CEST | Update | - |
| article html file updated | 7 February 2020 02:41 CET | Update | - |
| article html file updated | 21 September 2019 08:35 CEST | Update | - |
| article html file updated | 6 May 2019 04:02 CEST | Update | - |
| article html file updated | 26 March 2019 17:12 CET | Update | - |
| article html file updated | 11 December 2018 08:52 CET | Update | - |
| article html file updated | 11 December 2018 08:41 CET | Original file | - |
| article xml uploaded. | 8 January 2016 13:14 CET | Original file | https://www.mdpi.com/2309-608X/2/1/3/xml |
| article pdf uploaded. | 24 December 2015 14:48 CET | Version of Record | https://www.mdpi.com/2309-608X/2/1/3/pdf |
