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| article html file updated | 20 July 2022 02:52 CEST | Update | - |
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| article pdf uploaded. | 26 September 2019 04:47 CEST | Updated version of record | https://www.mdpi.com/2079-7737/8/4/71/pdf |
| article xml uploaded. | 26 September 2019 04:47 CEST | Update | https://www.mdpi.com/2079-7737/8/4/71/xml |
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| article html file updated | 24 September 2019 07:17 CEST | Original file | - |
| article pdf uploaded. | 24 September 2019 07:16 CEST | Version of Record | https://www.mdpi.com/2079-7737/8/4/71/pdf-vor |
| article xml uploaded. | 24 September 2019 07:16 CEST | Update | - |
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