| article html file updated | 31 August 2025 06:26 CEST | Update | https://www.mdpi.com/2218-273X/9/12/868 |
| article html file updated | 19 July 2022 21:49 CEST | Update | - |
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| article html file updated | 31 December 2019 13:06 CET | Update | - |
| article html file updated | 18 December 2019 14:45 CET | Original file | - |
| article pdf uploaded. | 18 December 2019 14:43 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/12/868/pdf |
| article xml uploaded. | 18 December 2019 14:43 CET | Update | https://www.mdpi.com/2218-273X/9/12/868/xml |
| article xml file uploaded | 18 December 2019 14:43 CET | Update | - |
| article supplementary file uploaded. | 12 December 2019 15:34 CET | - | https://www.mdpi.com/2218-273X/9/12/868#supplementary |
| article pdf uploaded. | 12 December 2019 15:34 CET | Version of Record | https://www.mdpi.com/2218-273X/9/12/868/pdf-vor |
| article xml file uploaded | 12 December 2019 15:34 CET | Original file | - |
