| article html file updated | 31 August 2025 02:19 CEST | Update | https://www.mdpi.com/2075-4418/9/4/136 |
| article html file updated | 20 July 2022 02:20 CEST | Update | - |
| article html file updated | 13 February 2020 21:55 CET | Update | - |
| article html file updated | 30 December 2019 11:00 CET | Update | - |
| article html file updated | 18 October 2019 09:57 CEST | Original file | - |
| article pdf uploaded. | 18 October 2019 09:56 CEST | Updated version of record | https://www.mdpi.com/2075-4418/9/4/136/pdf |
| article xml uploaded. | 18 October 2019 09:56 CEST | Update | https://www.mdpi.com/2075-4418/9/4/136/xml |
| article xml file uploaded | 18 October 2019 09:56 CEST | Update | - |
| article pdf uploaded. | 1 October 2019 15:12 CEST | Version of Record | https://www.mdpi.com/2075-4418/9/4/136/pdf-vor |
| article xml file uploaded | 1 October 2019 15:12 CEST | Original file | - |
