| article html file updated | 31 August 2025 05:41 CEST | Update | https://www.mdpi.com/2227-9717/7/12/921 |
| article html file updated | 19 July 2022 22:33 CEST | Update | N/A |
| article html file updated | 14 February 2020 15:40 CET | Update | N/A |
| article html file updated | 31 December 2019 05:12 CET | Update | N/A |
| article html file updated | 4 December 2019 11:43 CET | Original file | N/A |
| article pdf uploaded. | 4 December 2019 11:42 CET | Version of Record | https://www.mdpi.com/2227-9717/7/12/921/pdf |
| article xml uploaded. | 4 December 2019 11:42 CET | Update | https://www.mdpi.com/2227-9717/7/12/921/xml |
| article xml file uploaded | 4 December 2019 11:42 CET | Original file | N/A |
