| article html file updated | 31 August 2025 08:12 CEST | Update | https://www.mdpi.com/2311-5521/5/1/6 |
| article html file updated | 19 July 2022 20:07 CEST | Update | N/A |
| article html file updated | 15 February 2020 00:09 CET | Update | N/A |
| article html file updated | 10 January 2020 04:13 CET | Original file | N/A |
| article pdf uploaded. | 4 January 2020 09:50 CET | Version of Record | https://www.mdpi.com/2311-5521/5/1/6/pdf |
| article xml uploaded. | 4 January 2020 09:50 CET | Update | https://www.mdpi.com/2311-5521/5/1/6/xml |
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