| article html file updated | 30 August 2025 08:34 CEST | Update | https://www.mdpi.com/2218-1997/4/11/116 |
| article html file updated | 17 July 2022 07:57 CEST | Update | - |
| article html file updated | 10 February 2020 20:00 CET | Update | - |
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| article html file updated | 13 February 2019 09:18 CET | Update | - |
| article xml uploaded. | 13 February 2019 09:16 CET | Update | https://www.mdpi.com/2218-1997/4/11/116/xml |
| article pdf uploaded. | 13 February 2019 09:16 CET | Updated version of record | https://www.mdpi.com/2218-1997/4/11/116/pdf |
| article html file updated | 26 November 2018 06:28 CET | Update | - |
| article html file updated | 15 November 2018 10:19 CET | Original file | - |
| article pdf uploaded. | 15 November 2018 10:17 CET | Updated version of record | https://www.mdpi.com/2218-1997/4/11/116/pdf-vor |
| article xml uploaded. | 15 November 2018 10:17 CET | Update | - |
| article xml file uploaded | 15 November 2018 10:17 CET | Update | - |
| article pdf uploaded. | 6 November 2018 16:30 CET | Updated version of record | https://www.mdpi.com/2218-1997/4/11/116/pdf-vor |
| article xml file uploaded | 6 November 2018 16:09 CET | Original file | - |
| article pdf uploaded. | 6 November 2018 16:09 CET | Version of Record | https://www.mdpi.com/2218-1997/4/11/116/pdf-vor |
