| article html file updated | 24 December 2025 18:46 CET | Update | https://www.mdpi.com/2218-6581/9/2/33 |
| article html file updated | 31 August 2025 20:03 CEST | Update | N/A |
| article html file updated | 21 July 2022 04:28 CEST | Update | N/A |
| article html file updated | 1 June 2020 04:29 CEST | Original file | N/A |
| article pdf uploaded. | 1 June 2020 04:28 CEST | Updated version of record | https://www.mdpi.com/2218-6581/9/2/33/pdf |
| article xml uploaded. | 1 June 2020 04:28 CEST | Update | https://www.mdpi.com/2218-6581/9/2/33/xml |
| article xml file uploaded | 1 June 2020 04:28 CEST | Update | N/A |
| article pdf uploaded. | 11 May 2020 13:47 CEST | Version of Record | https://www.mdpi.com/2218-6581/9/2/33/pdf-vor |
| article xml file uploaded | 11 May 2020 13:47 CEST | Original file | N/A |
