| article html file updated | 31 August 2025 09:30 CEST | Update | https://www.mdpi.com/1996-1073/13/2/504 |
| article html file updated | 20 July 2022 18:02 CEST | Update | N/A |
| article html file updated | 15 February 2020 04:44 CET | Update | N/A |
| article html file updated | 7 February 2020 15:53 CET | Update | N/A |
| article html file updated | 23 January 2020 11:39 CET | Update | N/A |
| article pdf uploaded. | 23 January 2020 11:38 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/2/504/pdf |
| article xml file uploaded | 23 January 2020 11:38 CET | Update | https://www.mdpi.com/1996-1073/13/2/504/xml |
| article html file updated | 23 January 2020 11:25 CET | Original file | N/A |
| article pdf uploaded. | 23 January 2020 11:22 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/2/504/pdf-vor |
| article xml uploaded. | 23 January 2020 11:22 CET | Update | N/A |
| article xml file uploaded | 23 January 2020 11:22 CET | Update | N/A |
| article pdf uploaded. | 20 January 2020 15:20 CET | Version of Record | https://www.mdpi.com/1996-1073/13/2/504/pdf-vor |
| article xml file uploaded | 20 January 2020 15:20 CET | Original file | N/A |
