| article html file updated | 30 August 2025 10:00 CEST | Update | https://www.mdpi.com/2218-1997/4/12/148 |
| article html file updated | 17 July 2022 16:09 CEST | Update | - |
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| article html file updated | 25 December 2018 04:21 CET | Update | - |
| article html file updated | 20 December 2018 10:13 CET | Original file | - |
| article pdf uploaded. | 20 December 2018 10:12 CET | Updated version of record | https://www.mdpi.com/2218-1997/4/12/148/pdf |
| article xml uploaded. | 20 December 2018 10:12 CET | Update | https://www.mdpi.com/2218-1997/4/12/148/xml |
| article xml file uploaded | 20 December 2018 10:12 CET | Update | - |
| article pdf uploaded. | 15 December 2018 11:59 CET | Version of Record | https://www.mdpi.com/2218-1997/4/12/148/pdf-vor |
| article xml file uploaded | 15 December 2018 11:59 CET | Original file | - |
