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| article html file updated | 20 July 2022 15:23 CEST | Update | - |
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| article supplementary file uploaded. | 22 June 2019 08:29 CEST | - | https://www.mdpi.com/2223-7747/8/6/181#supplementary |
| article pdf uploaded. | 22 June 2019 08:29 CEST | Updated version of record | https://www.mdpi.com/2223-7747/8/6/181/pdf |
| article xml uploaded. | 22 June 2019 08:29 CEST | Update | https://www.mdpi.com/2223-7747/8/6/181/xml |
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| article pdf uploaded. | 18 June 2019 16:14 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/6/181/pdf-vor |
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