| article html file updated | 31 August 2025 21:10 CEST | Update | https://www.mdpi.com/2227-9091/8/2/49 |
| article html file updated | 21 July 2022 05:35 CEST | Update | N/A |
| article html file updated | 12 June 2020 11:52 CEST | Original file | N/A |
| article pdf uploaded. | 12 June 2020 11:49 CEST | Updated version of record | https://www.mdpi.com/2227-9091/8/2/49/pdf |
| article xml uploaded. | 12 June 2020 11:49 CEST | Update | https://www.mdpi.com/2227-9091/8/2/49/xml |
| article xml file uploaded | 12 June 2020 11:49 CEST | Update | N/A |
| article pdf uploaded. | 27 May 2020 04:35 CEST | Updated version of record | https://www.mdpi.com/2227-9091/8/2/49/pdf-vor |
| article pdf uploaded. | 27 May 2020 04:01 CEST | Updated version of record | https://www.mdpi.com/2227-9091/8/2/49/pdf-vor |
| article pdf uploaded. | 21 May 2020 13:53 CEST | Version of Record | https://www.mdpi.com/2227-9091/8/2/49/pdf-vor |
| article xml file uploaded | 21 May 2020 13:53 CEST | Original file | N/A |
