| article html file updated | 31 August 2025 11:08 CEST | Update | https://www.mdpi.com/2227-7390/8/2/218 |
| article html file updated | 20 July 2022 19:40 CEST | Update | N/A |
| article html file updated | 6 March 2020 07:39 CET | Update | N/A |
| article html file updated | 29 February 2020 08:02 CET | Original file | N/A |
| article pdf uploaded. | 29 February 2020 08:01 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/218/pdf |
| article xml uploaded. | 29 February 2020 08:01 CET | Update | https://www.mdpi.com/2227-7390/8/2/218/xml |
| article xml file uploaded | 29 February 2020 08:01 CET | Update | N/A |
| article pdf uploaded. | 8 February 2020 16:42 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/218/pdf-vor |
| article xml file uploaded | 8 February 2020 16:42 CET | Original file | N/A |
