| article html file updated | 31 August 2025 11:51 CEST | Update | https://www.mdpi.com/2227-7390/8/2/261 |
| article html file updated | 20 July 2022 20:22 CEST | Update | N/A |
| article html file updated | 6 March 2020 07:29 CET | Update | N/A |
| article html file updated | 29 February 2020 10:22 CET | Original file | N/A |
| article pdf uploaded. | 29 February 2020 10:20 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/261/pdf |
| article xml uploaded. | 29 February 2020 10:20 CET | Update | https://www.mdpi.com/2227-7390/8/2/261/xml |
| article xml file uploaded | 29 February 2020 10:20 CET | Update | N/A |
| article pdf uploaded. | 19 February 2020 03:05 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/261/pdf-vor |
| article pdf uploaded. | 17 February 2020 09:51 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/261/pdf-vor |
| article xml file uploaded | 17 February 2020 09:51 CET | Original file | N/A |
