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| article html file updated | 21 July 2022 22:32 CEST | Update | N/A |
| article html file updated | 2 July 2020 04:17 CEST | Original file | N/A |
| article pdf uploaded. | 2 July 2020 04:16 CEST | Updated version of record | https://www.mdpi.com/2305-6320/7/7/39/pdf |
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| article pdf uploaded. | 30 June 2020 11:31 CEST | Updated version of record | https://www.mdpi.com/2305-6320/7/7/39/pdf-vor |
| article pdf uploaded. | 30 June 2020 11:31 CEST | Version of Record | https://www.mdpi.com/2305-6320/7/7/39/pdf-vor |
