| article html file updated | 30 August 2025 00:57 CEST | Update | https://www.mdpi.com/1999-4915/9/8/226 |
| article html file updated | 16 July 2022 05:52 CEST | Update | - |
| article html file updated | 8 February 2020 13:39 CET | Update | - |
| article html file updated | 26 September 2019 13:46 CEST | Update | - |
| article html file updated | 3 May 2019 06:44 CEST | Update | - |
| article html file updated | 27 March 2019 21:04 CET | Update | - |
| article html file updated | 1 September 2017 05:14 CEST | Update | - |
| article html file updated | 16 August 2017 13:54 CEST | Original file | - |
| article xml uploaded. | 16 August 2017 13:52 CEST | Update | https://www.mdpi.com/1999-4915/9/8/226/xml |
| article xml uploaded. | 16 August 2017 13:52 CEST | Original file | - |
| article pdf uploaded. | 16 August 2017 13:52 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/8/226/pdf |
| article pdf uploaded. | 16 August 2017 12:23 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/8/226/pdf-vor |
