| article html file updated | 31 August 2025 06:57 CEST | Update | https://www.mdpi.com/1660-3397/18/1/6 |
| article html file updated | 19 July 2022 21:19 CEST | Update | N/A |
| article html file updated | 14 February 2020 20:00 CET | Update | N/A |
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| article html file updated | 24 December 2019 09:22 CET | Update | N/A |
| article pdf uploaded. | 24 December 2019 09:21 CET | Updated version of record | https://www.mdpi.com/1660-3397/18/1/6/pdf |
| article xml uploaded. | 24 December 2019 09:21 CET | Update | https://www.mdpi.com/1660-3397/18/1/6/xml |
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| article html file updated | 19 December 2019 11:16 CET | Original file | N/A |
| article pdf uploaded. | 19 December 2019 11:15 CET | Version of Record | https://www.mdpi.com/1660-3397/18/1/6/pdf-vor |
| article xml uploaded. | 19 December 2019 11:15 CET | Update | N/A |
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