| article html file updated | 16 August 2026 17:23 CEST | Update | https://www.mdpi.com/2218-1997/5/11/218 |
| article html file updated | 31 August 2025 03:55 CEST | Update | N/A |
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| article html file updated | 4 November 2019 05:21 CET | Original file | N/A |
| article pdf uploaded. | 4 November 2019 05:21 CET | Updated version of record | https://www.mdpi.com/2218-1997/5/11/218/pdf |
| article xml file uploaded | 4 November 2019 05:21 CET | Update | https://www.mdpi.com/2218-1997/5/11/218/xml |
| article pdf uploaded. | 4 November 2019 05:20 CET | Updated version of record | https://www.mdpi.com/2218-1997/5/11/218/pdf-vor |
| article xml uploaded. | 4 November 2019 05:20 CET | Update | N/A |
| article xml file uploaded | 4 November 2019 05:20 CET | Update | N/A |
| article pdf uploaded. | 1 November 2019 14:33 CET | Version of Record | https://www.mdpi.com/2218-1997/5/11/218/pdf-vor |
| article xml file uploaded | 1 November 2019 14:33 CET | Original file | N/A |
