| article html file updated | 29 August 2025 22:58 CEST | Update | https://www.mdpi.com/1999-4907/7/4/84 |
| article html file updated | 20 August 2025 22:18 CEST | Update | - |
| article html file updated | 16 July 2022 02:11 CEST | Update | - |
| article html file updated | 7 February 2020 07:19 CET | Update | - |
| article html file updated | 5 May 2019 18:31 CEST | Update | - |
| article html file updated | 27 March 2019 02:00 CET | Update | - |
| article html file updated | 28 April 2016 12:22 CEST | Update | - |
| article html file updated | 15 April 2016 11:31 CEST | Original file | - |
| article xml uploaded. | 15 April 2016 11:30 CEST | Original file | https://www.mdpi.com/1999-4907/7/4/84/xml |
| article pdf uploaded. | 15 April 2016 11:30 CEST | Version of Record | https://www.mdpi.com/1999-4907/7/4/84/pdf |
