| article html file updated | 31 August 2025 05:23 CEST | Update | https://www.mdpi.com/2218-1997/5/12/221 |
| article html file updated | 19 July 2022 22:50 CEST | Update | - |
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| article html file updated | 30 December 2019 16:11 CET | Update | - |
| article html file updated | 16 December 2019 10:23 CET | Original file | - |
| article pdf uploaded. | 16 December 2019 10:21 CET | Updated version of record | https://www.mdpi.com/2218-1997/5/12/221/pdf |
| article xml uploaded. | 16 December 2019 10:21 CET | Update | https://www.mdpi.com/2218-1997/5/12/221/xml |
| article xml file uploaded | 16 December 2019 10:21 CET | Update | - |
| article pdf uploaded. | 29 November 2019 13:48 CET | Version of Record | https://www.mdpi.com/2218-1997/5/12/221/pdf-vor |
| article xml file uploaded | 29 November 2019 13:48 CET | Original file | - |
