| article html file updated | 15 August 2026 00:14 CEST | Update | https://www.mdpi.com/2076-3921/7/4/54 |
| article html file updated | 30 August 2025 03:22 CEST | Update | N/A |
| article html file updated | 16 July 2022 10:31 CEST | Update | N/A |
| article html file updated | 9 February 2020 12:47 CET | Update | N/A |
| article html file updated | 2 October 2019 08:28 CEST | Update | N/A |
| article html file updated | 1 May 2019 05:33 CEST | Update | N/A |
| article html file updated | 17 April 2019 05:43 CEST | Update | N/A |
| article html file updated | 29 March 2019 13:19 CET | Update | N/A |
| article html file updated | 1 May 2018 10:23 CEST | Update | N/A |
| article html file updated | 6 April 2018 10:52 CEST | Original file | N/A |
| article xml uploaded. | 6 April 2018 10:51 CEST | Original file | https://www.mdpi.com/2076-3921/7/4/54/xml |
| article pdf uploaded. | 6 April 2018 10:51 CEST | Version of Record | https://www.mdpi.com/2076-3921/7/4/54/pdf |
