| article html file updated | 30 August 2025 23:30 CEST | Update | https://www.mdpi.com/2071-1050/11/15/4221 |
| article html file updated | 20 July 2022 05:47 CEST | Update | N/A |
| article html file updated | 13 February 2020 07:28 CET | Update | N/A |
| article html file updated | 13 August 2019 08:23 CEST | Update | N/A |
| article html file updated | 6 August 2019 07:53 CEST | Update | N/A |
| article pdf uploaded. | 6 August 2019 07:52 CEST | Updated version of record | https://www.mdpi.com/2071-1050/11/15/4221/pdf |
| article xml file uploaded | 6 August 2019 07:52 CEST | Update | https://www.mdpi.com/2071-1050/11/15/4221/xml |
| article html file updated | 6 August 2019 06:40 CEST | Original file | N/A |
| article pdf uploaded. | 6 August 2019 06:39 CEST | Updated version of record | https://www.mdpi.com/2071-1050/11/15/4221/pdf-vor |
| article xml file uploaded | 6 August 2019 06:39 CEST | Update | N/A |
| article pdf uploaded. | 5 August 2019 07:55 CEST | Version of Record | https://www.mdpi.com/2071-1050/11/15/4221/pdf-vor |
| article xml file uploaded | 5 August 2019 07:55 CEST | Original file | N/A |
