| article html file updated | 31 August 2025 18:06 CEST | Update | https://www.mdpi.com/2076-3921/9/4/339 |
| article html file updated | 21 July 2022 02:34 CEST | Update | N/A |
| article html file updated | 21 April 2020 18:18 CEST | Original file | N/A |
| article pdf uploaded. | 21 April 2020 18:17 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/4/339/pdf |
| article xml uploaded. | 21 April 2020 18:17 CEST | Update | https://www.mdpi.com/2076-3921/9/4/339/xml |
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