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| article pdf uploaded. | 4 December 2019 07:47 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/23/5146/pdf |
| article xml uploaded. | 4 December 2019 07:47 CET | Update | https://www.mdpi.com/1424-8220/19/23/5146/xml |
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| article pdf uploaded. | 25 November 2019 04:45 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/23/5146/pdf-vor |
| article pdf uploaded. | 24 November 2019 11:16 CET | Version of Record | https://www.mdpi.com/1424-8220/19/23/5146/pdf-vor |
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