| article html file updated | 29 June 2020 10:29 CEST | Original file | https://www.mdpi.com/2227-7390/8/6/1036 |
| article pdf uploaded. | 29 June 2020 10:28 CEST | Updated version of record | https://www.mdpi.com/2227-7390/8/6/1036/pdf |
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| article pdf uploaded. | 24 June 2020 14:31 CEST | Version of Record | https://www.mdpi.com/2227-7390/8/6/1036/pdf-vor |
