| article html file updated | 29 August 2025 22:57 CEST | Update | https://www.mdpi.com/1999-4907/7/4/76 |
| article html file updated | 16 July 2022 02:09 CEST | Update | - |
| article html file updated | 7 February 2020 07:07 CET | Update | - |
| article html file updated | 5 May 2019 18:56 CEST | Update | - |
| article html file updated | 27 March 2019 01:35 CET | Update | - |
| article html file updated | 28 April 2016 12:18 CEST | Update | - |
| article html file updated | 12 April 2016 09:13 CEST | Original file | - |
| article xml uploaded. | 12 April 2016 09:12 CEST | Update | https://www.mdpi.com/1999-4907/7/4/76/xml |
| article pdf uploaded. | 12 April 2016 09:12 CEST | Version of Record | https://www.mdpi.com/1999-4907/7/4/76/pdf |
