| article html file updated | 15 August 2026 00:31 CEST | Update | https://www.mdpi.com/2078-1547/9/1/19 |
| article html file updated | 30 August 2025 03:28 CEST | Update | N/A |
| article html file updated | 16 July 2022 10:43 CEST | Update | N/A |
| article html file updated | 9 February 2020 13:45 CET | Update | N/A |
| article html file updated | 1 May 2019 03:39 CEST | Update | N/A |
| article html file updated | 17 April 2019 04:01 CEST | Update | N/A |
| article html file updated | 29 March 2019 15:30 CET | Update | N/A |
| article html file updated | 13 April 2018 17:17 CEST | Original file | N/A |
| article xml uploaded. | 13 April 2018 17:16 CEST | Original file | https://www.mdpi.com/2078-1547/9/1/19/xml |
| article pdf uploaded. | 13 April 2018 17:16 CEST | Version of Record | https://www.mdpi.com/2078-1547/9/1/19/pdf |
