| article html file updated | 15 August 2026 11:59 CEST | Update | https://www.mdpi.com/2504-4494/2/4/81 |
| article html file updated | 30 August 2025 09:31 CEST | Update | N/A |
| article html file updated | 17 July 2022 12:52 CEST | Update | N/A |
| article html file updated | 11 February 2020 00:55 CET | Update | N/A |
| article html file updated | 11 October 2019 09:19 CEST | Update | N/A |
| article html file updated | 28 April 2019 00:21 CEST | Update | N/A |
| article html file updated | 13 April 2019 20:15 CEST | Update | N/A |
| article html file updated | 2 April 2019 06:54 CEST | Update | N/A |
| article html file updated | 6 December 2018 12:24 CET | Update | N/A |
| article xml uploaded. | 6 December 2018 12:23 CET | Update | https://www.mdpi.com/2504-4494/2/4/81/xml |
| article pdf uploaded. | 6 December 2018 12:23 CET | Updated version of record | https://www.mdpi.com/2504-4494/2/4/81/pdf |
| article xml file uploaded | 6 December 2018 12:23 CET | Update | N/A |
| article html file updated | 5 December 2018 12:09 CET | Original file | N/A |
| article pdf uploaded. | 5 December 2018 12:07 CET | Updated version of record | https://www.mdpi.com/2504-4494/2/4/81/pdf-vor |
| article xml uploaded. | 5 December 2018 12:07 CET | Update | N/A |
| article xml file uploaded | 5 December 2018 12:07 CET | Update | N/A |
| article pdf uploaded. | 3 December 2018 15:37 CET | Updated version of record | https://www.mdpi.com/2504-4494/2/4/81/pdf-vor |
| article xml file uploaded | 3 December 2018 15:31 CET | Original file | N/A |
| article pdf uploaded. | 3 December 2018 15:31 CET | Version of Record | https://www.mdpi.com/2504-4494/2/4/81/pdf-vor |
