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| article html file updated | 24 September 2019 06:30 CEST | Original file | N/A |
| article pdf uploaded. | 24 September 2019 06:29 CEST | Updated version of record | https://www.mdpi.com/2218-273X/9/10/513/pdf |
| article xml uploaded. | 24 September 2019 06:29 CEST | Update | https://www.mdpi.com/2218-273X/9/10/513/xml |
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| article pdf uploaded. | 20 September 2019 14:40 CEST | Version of Record | https://www.mdpi.com/2218-273X/9/10/513/pdf-vor |
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