| article html file updated | 2 September 2025 02:29 CEST | Update | https://www.mdpi.com/2311-5521/6/4/137 |
| article html file updated | 25 July 2022 10:23 CEST | Update | N/A |
| article html file updated | 4 August 2021 00:33 CEST | Update | N/A |
| article html file updated | 4 August 2021 00:17 CEST | Update | N/A |
| article html file updated | 10 April 2021 23:17 CEST | Update | N/A |
| article html file updated | 6 April 2021 03:36 CEST | Update | N/A |
| article pdf uploaded. | 6 April 2021 03:34 CEST | Updated version of record | https://www.mdpi.com/2311-5521/6/4/137/pdf |
| article xml uploaded. | 6 April 2021 03:34 CEST | Update | https://www.mdpi.com/2311-5521/6/4/137/xml |
| article xml file uploaded | 6 April 2021 03:34 CEST | Update | N/A |
| article html file updated | 2 April 2021 08:01 CEST | Original file | N/A |
| article pdf uploaded. | 2 April 2021 07:59 CEST | Updated version of record | https://www.mdpi.com/2311-5521/6/4/137/pdf-vor |
| article xml file uploaded | 2 April 2021 07:59 CEST | Original file | N/A |
| article pdf uploaded. | 1 April 2021 15:13 CEST | Updated version of record | https://www.mdpi.com/2311-5521/6/4/137/pdf-vor |
| article pdf uploaded. | 1 April 2021 14:46 CEST | Version of Record | https://www.mdpi.com/2311-5521/6/4/137/pdf-vor |
