| article html file updated | 1 September 2025 17:04 CEST | Update | https://www.mdpi.com/2227-7390/9/1/39 |
| article html file updated | 23 July 2022 07:33 CEST | Update | N/A |
| article html file updated | 7 January 2021 07:29 CET | Update | N/A |
| article pdf uploaded. | 7 January 2021 07:28 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/1/39/pdf |
| article xml uploaded. | 7 January 2021 07:28 CET | Update | https://www.mdpi.com/2227-7390/9/1/39/xml |
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| article html file updated | 27 December 2020 12:03 CET | Original file | N/A |
| article pdf uploaded. | 27 December 2020 12:02 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/1/39/pdf-vor |
| article xml uploaded. | 27 December 2020 12:02 CET | Update | N/A |
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| article pdf uploaded. | 26 December 2020 10:40 CET | Version of Record | https://www.mdpi.com/2227-7390/9/1/39/pdf-vor |
