| article html file updated | 25 December 2025 00:55 CET | Update | https://www.mdpi.com/2071-1050/13/1/61 |
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| article pdf uploaded. | 28 December 2020 07:24 CET | Updated version of record | https://www.mdpi.com/2071-1050/13/1/61/pdf |
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| article html file updated | 26 December 2020 02:37 CET | Original file | N/A |
| article pdf uploaded. | 26 December 2020 02:36 CET | Updated version of record | https://www.mdpi.com/2071-1050/13/1/61/pdf-vor |
| article xml uploaded. | 26 December 2020 02:36 CET | Update | N/A |
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| article pdf uploaded. | 23 December 2020 12:09 CET | Version of Record | https://www.mdpi.com/2071-1050/13/1/61/pdf-vor |
