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| article pdf uploaded. | 9 November 2018 04:06 CET | Updated version of record | https://www.mdpi.com/2571-6182/1/2/23/pdf |
| article xml uploaded. | 9 November 2018 04:06 CET | Update | https://www.mdpi.com/2571-6182/1/2/23/xml |
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| article pdf uploaded. | 29 October 2018 15:30 CET | Version of Record | https://www.mdpi.com/2571-6182/1/2/23/pdf-vor |
| article xml uploaded. | 29 October 2018 15:30 CET | Update | N/A |
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