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| article html file updated | 21 July 2022 06:39 CEST | Update | N/A |
| article html file updated | 22 June 2020 04:03 CEST | Original file | N/A |
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| article pdf uploaded. | 1 June 2020 10:16 CEST | Updated version of record | https://www.mdpi.com/2304-6732/7/2/39/pdf-vor |
| article pdf uploaded. | 1 June 2020 10:16 CEST | Version of Record | https://www.mdpi.com/2304-6732/7/2/39/pdf-vor |
