| article html file updated | 1 September 2025 16:45 CEST | Update | https://www.mdpi.com/1660-4601/18/1/31 |
| article html file updated | 23 July 2022 06:39 CEST | Update | - |
| article html file updated | 24 December 2020 03:29 CET | Update | - |
| article pdf uploaded. | 24 December 2020 03:28 CET | Updated version of record | https://www.mdpi.com/1660-4601/18/1/31/pdf |
| article xml uploaded. | 24 December 2020 03:28 CET | Update | https://www.mdpi.com/1660-4601/18/1/31/xml |
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| article pdf uploaded. | 23 December 2020 09:02 CET | Updated version of record | https://www.mdpi.com/1660-4601/18/1/31/pdf-vor |
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| article html file updated | 23 December 2020 08:36 CET | Original file | - |
| article pdf uploaded. | 23 December 2020 08:35 CET | Version of Record | https://www.mdpi.com/1660-4601/18/1/31/pdf-vor |
| article xml uploaded. | 23 December 2020 08:35 CET | Update | - |
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