| article html file updated | 31 August 2025 09:34 CEST | Update | https://www.mdpi.com/2227-9059/8/2/18 |
| article html file updated | 20 July 2022 18:06 CEST | Update | - |
| article html file updated | 6 March 2020 07:55 CET | Update | - |
| article html file updated | 15 February 2020 04:56 CET | Update | - |
| article html file updated | 14 February 2020 02:06 CET | Original file | - |
| article pdf uploaded. | 14 February 2020 02:05 CET | Updated version of record | https://www.mdpi.com/2227-9059/8/2/18/pdf |
| article xml uploaded. | 14 February 2020 02:05 CET | Update | https://www.mdpi.com/2227-9059/8/2/18/xml |
| article xml file uploaded | 14 February 2020 02:05 CET | Update | - |
| article pdf uploaded. | 21 January 2020 12:20 CET | Version of Record | https://www.mdpi.com/2227-9059/8/2/18/pdf-vor |
| article xml file uploaded | 21 January 2020 12:20 CET | Original file | - |
