| article html file updated | 1 August 2022 04:59 CEST | Update | https://www.mdpi.com/1996-1073/15/6/2020 |
| article html file updated | 13 March 2022 12:45 CET | Update | - |
| article pdf uploaded. | 13 March 2022 12:43 CET | Updated version of record | https://www.mdpi.com/1996-1073/15/6/2020/pdf |
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| article html file updated | 10 March 2022 11:06 CET | Original file | - |
| article pdf uploaded. | 10 March 2022 11:04 CET | Version of Record | https://www.mdpi.com/1996-1073/15/6/2020/pdf-vor |
| article xml file uploaded | 10 March 2022 11:04 CET | Original file | - |
