| article html file updated | 31 August 2025 08:49 CEST | Update | https://www.mdpi.com/2079-9276/9/1/6 |
| article html file updated | 20 July 2022 17:21 CEST | Update | - |
| article html file updated | 15 February 2020 02:18 CET | Update | - |
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| article pdf uploaded. | 6 February 2020 10:04 CET | Updated version of record | https://www.mdpi.com/2079-9276/9/1/6/pdf |
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| article xml uploaded. | 6 February 2020 10:00 CET | Update | https://www.mdpi.com/2079-9276/9/1/6/xml |
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| article html file updated | 21 January 2020 13:20 CET | Original file | - |
| article pdf uploaded. | 21 January 2020 13:19 CET | Updated version of record | https://www.mdpi.com/2079-9276/9/1/6/pdf-vor |
| article xml uploaded. | 21 January 2020 13:19 CET | Update | - |
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| article pdf uploaded. | 12 January 2020 11:16 CET | Version of Record | https://www.mdpi.com/2079-9276/9/1/6/pdf-vor |
| article xml file uploaded | 12 January 2020 11:16 CET | Original file | - |
