| article html file updated | 15 August 2026 17:32 CEST | Update | https://www.mdpi.com/1999-4923/11/2/91 |
| article html file updated | 30 August 2025 12:15 CEST | Update | N/A |
| article html file updated | 19 July 2022 10:27 CEST | Update | N/A |
| article html file updated | 11 February 2020 17:39 CET | Update | N/A |
| article html file updated | 15 October 2019 09:37 CEST | Update | N/A |
| article html file updated | 26 April 2019 13:22 CEST | Update | N/A |
| article html file updated | 12 April 2019 08:54 CEST | Update | N/A |
| article html file updated | 4 April 2019 00:49 CEST | Update | N/A |
| article html file updated | 4 March 2019 15:12 CET | Update | N/A |
| article html file updated | 1 March 2019 08:26 CET | Update | N/A |
| article html file updated | 21 February 2019 09:37 CET | Original file | N/A |
| article pdf uploaded. | 21 February 2019 09:35 CET | Version of Record | https://www.mdpi.com/1999-4923/11/2/91/pdf |
| article xml uploaded. | 21 February 2019 09:35 CET | Update | https://www.mdpi.com/1999-4923/11/2/91/xml |
| article xml file uploaded | 21 February 2019 09:35 CET | Original file | N/A |
