| article html file updated | 30 August 2025 11:00 CEST | Update | https://www.mdpi.com/2076-3271/7/1/9 |
| article html file updated | 21 August 2025 20:27 CEST | Update | - |
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| article html file updated | 22 January 2019 10:01 CET | Original file | - |
| article pdf uploaded. | 22 January 2019 09:59 CET | Updated version of record | https://www.mdpi.com/2076-3271/7/1/9/pdf |
| article xml uploaded. | 22 January 2019 09:59 CET | Update | https://www.mdpi.com/2076-3271/7/1/9/xml |
| article xml file uploaded | 22 January 2019 09:59 CET | Update | - |
| article pdf uploaded. | 14 January 2019 16:27 CET | Updated version of record | https://www.mdpi.com/2076-3271/7/1/9/pdf-vor |
| article pdf uploaded. | 14 January 2019 16:26 CET | Version of Record | https://www.mdpi.com/2076-3271/7/1/9/pdf-vor |
| article xml file uploaded | 14 January 2019 16:26 CET | Original file | - |
