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| article html file updated | 20 July 2022 02:44 CEST | Update | - |
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| article html file updated | 30 December 2019 23:13 CET | Update | - |
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| article pdf uploaded. | 23 October 2019 14:08 CEST | Updated version of record | https://www.mdpi.com/2079-9276/8/4/160/pdf |
| article xml uploaded. | 23 October 2019 14:08 CEST | Update | https://www.mdpi.com/2079-9276/8/4/160/xml |
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| article pdf uploaded. | 26 September 2019 03:48 CEST | Updated version of record | https://www.mdpi.com/2079-9276/8/4/160/pdf-vor |
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| article pdf uploaded. | 25 September 2019 15:50 CEST | Version of Record | https://www.mdpi.com/2079-9276/8/4/160/pdf-vor |
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