| article html file updated | 2 September 2025 02:29 CEST | Update | https://www.mdpi.com/2311-5521/6/4/136 |
| article html file updated | 25 July 2022 10:23 CEST | Update | N/A |
| article html file updated | 4 August 2021 00:31 CEST | Update | N/A |
| article html file updated | 4 August 2021 00:15 CEST | Update | N/A |
| article html file updated | 10 April 2021 23:15 CEST | Update | N/A |
| article html file updated | 7 April 2021 09:59 CEST | Update | N/A |
| article html file updated | 6 April 2021 12:09 CEST | Original file | N/A |
| article pdf uploaded. | 6 April 2021 12:07 CEST | Updated version of record | https://www.mdpi.com/2311-5521/6/4/136/pdf |
| article xml uploaded. | 6 April 2021 12:07 CEST | Update | https://www.mdpi.com/2311-5521/6/4/136/xml |
| article xml file uploaded | 6 April 2021 12:07 CEST | Original file | N/A |
| article pdf uploaded. | 5 April 2021 03:44 CEST | Updated version of record | https://www.mdpi.com/2311-5521/6/4/136/pdf-vor |
| article pdf uploaded. | 2 April 2021 04:12 CEST | Updated version of record | https://www.mdpi.com/2311-5521/6/4/136/pdf-vor |
| article pdf uploaded. | 1 April 2021 14:42 CEST | Version of Record | https://www.mdpi.com/2311-5521/6/4/136/pdf-vor |