| article html file updated | 15 August 2026 14:08 CEST | Update | https://www.mdpi.com/2504-3900/3/1/2 |
| article html file updated | 24 January 2024 16:06 CET | Original file | N/A |
| article pdf uploaded. | 16 April 2019 03:50 CEST | Updated version of record | https://www.mdpi.com/2504-3900/3/1/2/pdf |
| article pdf uploaded. | 8 January 2019 07:16 CET | Updated version of record | https://www.mdpi.com/2504-3900/3/1/2/pdf-vor |
| article pdf uploaded. | 8 January 2019 04:17 CET | Version of Record | https://www.mdpi.com/2504-3900/3/1/2/pdf-vor |
| article xml file uploaded | 8 January 2019 04:17 CET | Original file | https://www.mdpi.com/2504-3900/3/1/2/xml |
