| article html file updated | 31 August 2025 12:36 CEST | Update | https://www.mdpi.com/2227-9717/8/2/251 |
| article html file updated | 20 July 2022 21:06 CEST | Update | N/A |
| article html file updated | 6 March 2020 21:44 CET | Update | N/A |
| article html file updated | 24 February 2020 15:54 CET | Original file | N/A |
| article pdf uploaded. | 24 February 2020 15:52 CET | Version of Record | https://www.mdpi.com/2227-9717/8/2/251/pdf |
| article xml uploaded. | 24 February 2020 15:52 CET | Update | https://www.mdpi.com/2227-9717/8/2/251/xml |
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