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| article html file updated | 20 July 2022 01:30 CEST | Update | - |
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| article html file updated | 31 December 2019 18:23 CET | Update | - |
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| article pdf uploaded. | 30 October 2019 01:49 CET | Updated version of record | https://www.mdpi.com/2306-5338/6/4/89/pdf |
| article xml uploaded. | 30 October 2019 01:49 CET | Update | https://www.mdpi.com/2306-5338/6/4/89/xml |
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| article html file updated | 25 October 2019 10:05 CEST | Original file | - |
| article pdf uploaded. | 25 October 2019 10:03 CEST | Updated version of record | https://www.mdpi.com/2306-5338/6/4/89/pdf-vor |
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| article pdf uploaded. | 16 October 2019 14:31 CEST | Version of Record | https://www.mdpi.com/2306-5338/6/4/89/pdf-vor |
| article xml file uploaded | 16 October 2019 14:31 CEST | Original file | - |
