| article html file updated | 16 August 2026 15:53 CEST | Update | https://www.mdpi.com/1996-1073/12/20/3903 |
| article html file updated | 31 August 2025 02:56 CEST | Update | N/A |
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| article html file updated | 14 February 2020 01:02 CET | Update | N/A |
| article html file updated | 29 October 2019 21:52 CET | Update | N/A |
| article html file updated | 18 October 2019 03:46 CEST | Update | N/A |
| article pdf uploaded. | 18 October 2019 03:45 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/20/3903/pdf |
| article xml uploaded. | 18 October 2019 03:45 CEST | Update | https://www.mdpi.com/1996-1073/12/20/3903/xml |
| article xml file uploaded | 18 October 2019 03:45 CEST | Update | N/A |
| article html file updated | 16 October 2019 01:45 CEST | Original file | N/A |
| article pdf uploaded. | 15 October 2019 13:07 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/20/3903/pdf-vor |
| article xml uploaded. | 15 October 2019 13:07 CEST | Update | N/A |
| article xml file uploaded | 15 October 2019 13:07 CEST | Original file | N/A |
