| article html file updated | 31 August 2025 22:39 CEST | Update | https://www.mdpi.com/2079-9276/9/6/67 |
| article html file updated | 21 July 2022 07:03 CEST | Update | - |
| article html file updated | 6 July 2020 05:53 CEST | Update | - |
| article html file updated | 30 June 2020 11:56 CEST | Original file | - |
| article pdf uploaded. | 30 June 2020 11:54 CEST | Updated version of record | https://www.mdpi.com/2079-9276/9/6/67/pdf |
| article xml uploaded. | 30 June 2020 11:54 CEST | Update | https://www.mdpi.com/2079-9276/9/6/67/xml |
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| article pdf uploaded. | 17 June 2020 09:38 CEST | Updated version of record | https://www.mdpi.com/2079-9276/9/6/67/pdf-vor |
| article pdf uploaded. | 4 June 2020 14:44 CEST | Version of Record | https://www.mdpi.com/2079-9276/9/6/67/pdf-vor |
