| article html file updated | 31 August 2025 13:06 CEST | Update | https://www.mdpi.com/2227-9040/8/1/18 |
| article html file updated | 20 July 2022 21:35 CEST | Update | N/A |
| article html file updated | 2 April 2020 09:19 CEST | Update | N/A |
| article html file updated | 27 March 2020 08:43 CET | Original file | N/A |
| article pdf uploaded. | 27 March 2020 08:42 CET | Updated version of record | https://www.mdpi.com/2227-9040/8/1/18/pdf |
| article xml uploaded. | 27 March 2020 08:42 CET | Update | https://www.mdpi.com/2227-9040/8/1/18/xml |
| article xml file uploaded | 27 March 2020 08:42 CET | Update | N/A |
| article pdf uploaded. | 29 February 2020 14:58 CET | Version of Record | https://www.mdpi.com/2227-9040/8/1/18/pdf-vor |
| article xml file uploaded | 29 February 2020 14:58 CET | Original file | N/A |
