| article html file updated | 30 August 2025 05:10 CEST | Update | https://www.mdpi.com/2227-7390/6/7/121 |
| article html file updated | 16 July 2022 22:59 CEST | Update | - |
| article html file updated | 10 February 2020 00:49 CET | Update | - |
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| article html file updated | 30 July 2018 05:39 CEST | Update | - |
| article html file updated | 11 July 2018 12:39 CEST | Original file | - |
| article pdf uploaded. | 11 July 2018 12:38 CEST | Updated version of record | https://www.mdpi.com/2227-7390/6/7/121/pdf |
| article xml uploaded. | 11 July 2018 12:38 CEST | Update | https://www.mdpi.com/2227-7390/6/7/121/xml |
| article xml file uploaded | 11 July 2018 12:38 CEST | Update | - |
| article pdf uploaded. | 10 July 2018 16:44 CEST | Updated version of record | https://www.mdpi.com/2227-7390/6/7/121/pdf-vor |
| article pdf uploaded. | 10 July 2018 16:43 CEST | Version of Record | https://www.mdpi.com/2227-7390/6/7/121/pdf-vor |
| article xml file uploaded | 10 July 2018 16:43 CEST | Original file | - |
