| article html file updated | 31 August 2025 06:54 CEST | Update | https://www.mdpi.com/1660-3397/18/1/4 |
| article html file updated | 19 July 2022 21:22 CEST | Update | - |
| article html file updated | 14 February 2020 19:50 CET | Update | - |
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| article html file updated | 23 December 2019 04:18 CET | Original file | - |
| article pdf uploaded. | 23 December 2019 04:16 CET | Updated version of record | https://www.mdpi.com/1660-3397/18/1/4/pdf |
| article xml uploaded. | 23 December 2019 04:16 CET | Update | https://www.mdpi.com/1660-3397/18/1/4/xml |
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| article supplementary file uploaded. | 18 December 2019 15:43 CET | - | https://www.mdpi.com/1660-3397/18/1/4#supplementary |
| article pdf uploaded. | 18 December 2019 15:43 CET | Version of Record | https://www.mdpi.com/1660-3397/18/1/4/pdf-vor |
| article xml file uploaded | 18 December 2019 15:43 CET | Original file | - |
