| article html file updated | 29 August 2025 21:58 CEST | Update | https://www.mdpi.com/1999-4907/6/8/2571 |
| article html file updated | 16 July 2022 00:38 CEST | Update | N/A |
| article html file updated | 6 February 2020 21:11 CET | Update | N/A |
| article html file updated | 6 May 2019 14:43 CEST | Update | N/A |
| article html file updated | 26 March 2019 07:38 CET | Update | N/A |
| article html file updated | 1 September 2015 08:42 CEST | Update | N/A |
| article xml file uploaded | 1 September 2015 08:42 CEST | Original file | https://www.mdpi.com/1999-4907/6/8/2571/xml |
| article html file updated | 21 August 2015 15:17 CEST | Original file | N/A |
| article pdf uploaded. | 29 July 2015 13:57 CEST | Version of Record | https://www.mdpi.com/1999-4907/6/8/2571/pdf |
