| article html file updated | 30 August 2025 10:58 CEST | Update | https://www.mdpi.com/2076-2607/7/1/20 |
| article html file updated | 17 July 2022 22:40 CEST | Update | - |
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| article html file updated | 23 January 2019 02:38 CET | Original file | - |
| article pdf uploaded. | 22 January 2019 04:28 CET | Updated version of record | https://www.mdpi.com/2076-2607/7/1/20/pdf |
| article xml uploaded. | 22 January 2019 04:28 CET | Update | https://www.mdpi.com/2076-2607/7/1/20/xml |
| article xml file uploaded | 22 January 2019 04:28 CET | Update | - |
| article pdf uploaded. | 13 January 2019 12:46 CET | Version of Record | https://www.mdpi.com/2076-2607/7/1/20/pdf-vor |
| article xml file uploaded | 13 January 2019 12:46 CET | Original file | - |
