| article html file updated | 29 August 2025 21:59 CEST | Update | https://www.mdpi.com/1999-4915/7/8/2821 |
| article html file updated | 16 July 2022 00:40 CEST | Update | N/A |
| article html file updated | 6 February 2020 21:22 CET | Update | N/A |
| article html file updated | 6 May 2019 14:22 CEST | Update | N/A |
| article html file updated | 26 March 2019 07:58 CET | Original file | N/A |
| article xml file uploaded | 21 September 2015 09:57 CEST | Original file | https://www.mdpi.com/1999-4915/7/8/2821/xml |
| article pdf uploaded. | 4 August 2015 14:35 CEST | Version of Record | https://www.mdpi.com/1999-4915/7/8/2821/pdf |
