| article html file updated | 30 August 2025 20:23 CEST | Update | https://www.mdpi.com/1648-9144/55/6/221 |
| article html file updated | 21 August 2025 21:10 CEST | Update | - |
| article html file updated | 19 July 2022 19:15 CEST | Update | - |
| article html file updated | 18 March 2021 08:42 CET | Update | - |
| article html file updated | 12 February 2020 15:53 CET | Update | - |
| article html file updated | 20 October 2019 21:47 CEST | Update | - |
| article html file updated | 4 July 2019 17:13 CEST | Update | - |
| article html file updated | 31 May 2019 10:08 CEST | Original file | - |
| article pdf uploaded. | 31 May 2019 10:07 CEST | Updated version of record | https://www.mdpi.com/1648-9144/55/6/221/pdf |
| article xml uploaded. | 31 May 2019 10:07 CEST | Update | https://www.mdpi.com/1648-9144/55/6/221/xml |
| article xml file uploaded | 31 May 2019 10:07 CEST | Update | - |
| article pdf uploaded. | 28 May 2019 15:35 CEST | Version of Record | https://www.mdpi.com/1648-9144/55/6/221/pdf-vor |
| article xml file uploaded | 28 May 2019 15:35 CEST | Original file | - |
