| article html file updated | 24 December 2025 16:50 CET | Update | https://www.mdpi.com/1999-4923/12/1/13 |
| article html file updated | 31 August 2025 07:11 CEST | Update | N/A |
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| article html file updated | 26 December 2019 09:49 CET | Update | N/A |
| article pdf uploaded. | 26 December 2019 09:48 CET | Updated version of record | https://www.mdpi.com/1999-4923/12/1/13/pdf |
| article xml uploaded. | 26 December 2019 09:48 CET | Update | https://www.mdpi.com/1999-4923/12/1/13/xml |
| article xml file uploaded | 26 December 2019 09:48 CET | Update | N/A |
| article html file updated | 21 December 2019 11:02 CET | Original file | N/A |
| article pdf uploaded. | 21 December 2019 11:01 CET | Version of Record | https://www.mdpi.com/1999-4923/12/1/13/pdf-vor |
| article xml uploaded. | 21 December 2019 11:01 CET | Update | N/A |
| article xml file uploaded | 21 December 2019 11:01 CET | Original file | N/A |
