| article html file updated | 30 August 2025 08:33 CEST | Update | https://www.mdpi.com/2218-1997/4/11/115 |
| article html file updated | 17 July 2022 07:55 CEST | Update | - |
| article html file updated | 10 February 2020 19:58 CET | Update | - |
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| article html file updated | 26 November 2018 06:27 CET | Update | - |
| article html file updated | 15 November 2018 11:05 CET | Original file | - |
| article pdf uploaded. | 15 November 2018 11:04 CET | Updated version of record | https://www.mdpi.com/2218-1997/4/11/115/pdf |
| article xml uploaded. | 15 November 2018 11:04 CET | Update | https://www.mdpi.com/2218-1997/4/11/115/xml |
| article xml file uploaded | 15 November 2018 11:04 CET | Update | - |
| article pdf uploaded. | 6 November 2018 15:23 CET | Updated version of record | https://www.mdpi.com/2218-1997/4/11/115/pdf-vor |
| article pdf uploaded. | 6 November 2018 14:33 CET | Version of Record | https://www.mdpi.com/2218-1997/4/11/115/pdf-vor |
| article xml file uploaded | 6 November 2018 14:33 CET | Original file | - |
