| article html file updated | 30 August 2025 00:05 CEST | Update | https://www.mdpi.com/1999-4907/7/12/320 |
| article html file updated | 16 July 2022 04:13 CEST | Update | N/A |
| article html file updated | 7 February 2020 20:00 CET | Update | N/A |
| article html file updated | 22 September 2019 13:35 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:26 CEST | Update | N/A |
| article html file updated | 27 December 2016 11:48 CET | Update | N/A |
| article html file updated | 20 December 2016 13:10 CET | Original file | N/A |
| article xml uploaded. | 20 December 2016 13:08 CET | Original file | https://www.mdpi.com/1999-4907/7/12/320/xml |
| article pdf uploaded. | 20 December 2016 13:08 CET | Version of Record | https://www.mdpi.com/1999-4907/7/12/320/pdf |
