| article html file updated | 30 August 2025 10:44 CEST | Update | https://www.mdpi.com/2075-4418/9/1/6 |
| article html file updated | 17 July 2022 21:50 CEST | Update | N/A |
| article html file updated | 11 February 2020 07:27 CET | Update | N/A |
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| article html file updated | 9 January 2019 07:14 CET | Original file | N/A |
| article pdf uploaded. | 9 January 2019 07:11 CET | Updated version of record | https://www.mdpi.com/2075-4418/9/1/6/pdf |
| article xml uploaded. | 9 January 2019 07:11 CET | Update | https://www.mdpi.com/2075-4418/9/1/6/xml |
| article xml file uploaded | 9 January 2019 07:11 CET | Update | N/A |
| article pdf uploaded. | 8 January 2019 14:33 CET | Updated version of record | https://www.mdpi.com/2075-4418/9/1/6/pdf-vor |
| article pdf uploaded. | 8 January 2019 14:19 CET | Version of Record | https://www.mdpi.com/2075-4418/9/1/6/pdf-vor |
| article xml file uploaded | 8 January 2019 14:19 CET | Original file | N/A |
