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| article html file updated | 21 July 2022 21:59 CEST | Update | N/A |
| article html file updated | 29 June 2020 16:36 CEST | Original file | N/A |
| article pdf uploaded. | 29 June 2020 16:34 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/6/550/pdf |
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| article pdf uploaded. | 24 June 2020 18:43 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/6/550/pdf-vor |
| article pdf uploaded. | 24 June 2020 18:43 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/6/550/pdf-vor |
