| article html file updated | 31 August 2025 01:01 CEST | Update | https://www.mdpi.com/2227-7390/7/9/820 |
| article html file updated | 20 July 2022 03:56 CEST | Update | - |
| article html file updated | 13 February 2020 15:29 CET | Update | - |
| article html file updated | 26 September 2019 08:41 CEST | Update | - |
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| article html file updated | 18 September 2019 08:15 CEST | Update | - |
| article html file updated | 18 September 2019 08:14 CEST | Original file | - |
| article pdf uploaded. | 18 September 2019 08:12 CEST | Updated version of record | https://www.mdpi.com/2227-7390/7/9/820/pdf |
| article xml uploaded. | 18 September 2019 08:12 CEST | Update | https://www.mdpi.com/2227-7390/7/9/820/xml |
| article xml file uploaded | 18 September 2019 08:12 CEST | Update | - |
| article pdf uploaded. | 5 September 2019 15:12 CEST | Updated version of record | https://www.mdpi.com/2227-7390/7/9/820/pdf-vor |
| article xml file uploaded | 5 September 2019 15:12 CEST | Update | - |
| article pdf uploaded. | 5 September 2019 15:12 CEST | Version of Record | https://www.mdpi.com/2227-7390/7/9/820/pdf-vor |
| article xml file uploaded | 5 September 2019 15:12 CEST | Original file | - |
