| article html file updated | 31 August 2025 22:02 CEST | Update | https://www.mdpi.com/2304-8158/9/6/696 |
| article html file updated | 21 July 2022 06:26 CEST | Update | N/A |
| article html file updated | 21 June 2020 11:49 CEST | Original file | N/A |
| article pdf uploaded. | 21 June 2020 11:47 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/6/696/pdf |
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| article pdf uploaded. | 29 May 2020 15:51 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/6/696/pdf-vor |
