| article html file updated | 31 August 2025 09:36 CEST | Update | https://www.mdpi.com/2077-1312/8/2/67 |
| article html file updated | 20 July 2022 18:08 CEST | Update | - |
| article html file updated | 6 March 2020 06:39 CET | Update | - |
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| article pdf uploaded. | 14 February 2020 12:16 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/2/67/pdf |
| article xml uploaded. | 14 February 2020 12:16 CET | Update | https://www.mdpi.com/2077-1312/8/2/67/xml |
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| article pdf uploaded. | 14 February 2020 05:15 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/2/67/pdf-vor |
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| article pdf uploaded. | 21 January 2020 13:56 CET | Version of Record | https://www.mdpi.com/2077-1312/8/2/67/pdf-vor |
| article xml file uploaded | 21 January 2020 13:56 CET | Original file | - |
