| article html file updated | 30 August 2025 10:03 CEST | Update | https://www.mdpi.com/2227-9067/5/12/171 |
| article html file updated | 17 July 2022 16:32 CEST | Update | - |
| article html file updated | 11 February 2020 03:44 CET | Update | - |
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| article html file updated | 19 December 2018 11:25 CET | Original file | - |
| article pdf uploaded. | 19 December 2018 11:23 CET | Updated version of record | https://www.mdpi.com/2227-9067/5/12/171/pdf |
| article xml uploaded. | 19 December 2018 11:23 CET | Update | https://www.mdpi.com/2227-9067/5/12/171/xml |
| article xml file uploaded | 19 December 2018 11:23 CET | Update | - |
| article pdf uploaded. | 17 December 2018 17:20 CET | Updated version of record | https://www.mdpi.com/2227-9067/5/12/171/pdf-vor |
| article pdf uploaded. | 17 December 2018 17:20 CET | Updated version of record | https://www.mdpi.com/2227-9067/5/12/171/pdf-vor |
| article pdf uploaded. | 17 December 2018 17:17 CET | Version of Record | https://www.mdpi.com/2227-9067/5/12/171/pdf-vor |
| article xml file uploaded | 17 December 2018 17:17 CET | Original file | - |
