| article html file updated | 31 August 2025 00:59 CEST | Update | https://www.mdpi.com/2079-9292/8/9/991 |
| article html file updated | 20 July 2022 03:58 CEST | Update | N/A |
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| article pdf uploaded. | 19 September 2019 09:54 CEST | Updated version of record | https://www.mdpi.com/2079-9292/8/9/991/pdf |
| article xml uploaded. | 19 September 2019 09:54 CEST | Update | https://www.mdpi.com/2079-9292/8/9/991/xml |
| article xml file uploaded | 19 September 2019 09:54 CEST | Update | N/A |
| article html file updated | 5 September 2019 09:42 CEST | Original file | N/A |
| article pdf uploaded. | 5 September 2019 09:40 CEST | Version of Record | https://www.mdpi.com/2079-9292/8/9/991/pdf-vor |
| article xml uploaded. | 5 September 2019 09:40 CEST | Update | N/A |
| article xml file uploaded | 5 September 2019 09:40 CEST | Original file | N/A |
