| article html file updated | 31 August 2025 17:37 CEST | Update | https://www.mdpi.com/2073-4409/9/4/991 |
| article html file updated | 21 July 2022 02:05 CEST | Update | N/A |
| article html file updated | 8 May 2020 13:07 CEST | Update | N/A |
| article html file updated | 16 April 2020 14:34 CEST | Original file | N/A |
| article pdf uploaded. | 16 April 2020 14:33 CEST | Updated version of record | https://www.mdpi.com/2073-4409/9/4/991/pdf |
| article xml uploaded. | 16 April 2020 14:33 CEST | Update | https://www.mdpi.com/2073-4409/9/4/991/xml |
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