| article html file updated | 15 August 2026 16:19 CEST | Update | https://www.mdpi.com/2079-6374/9/1/21 |
| article html file updated | 11 February 2020 13:57 CET | Update | N/A |
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| article html file updated | 25 February 2019 11:50 CET | Original file | N/A |
| article pdf uploaded. | 25 February 2019 11:48 CET | Updated version of record | https://www.mdpi.com/2079-6374/9/1/21/pdf |
| article xml uploaded. | 25 February 2019 11:48 CET | Update | https://www.mdpi.com/2079-6374/9/1/21/xml |
| article xml file uploaded | 25 February 2019 11:48 CET | Update | N/A |
| article pdf uploaded. | 5 February 2019 11:55 CET | Version of Record | https://www.mdpi.com/2079-6374/9/1/21/pdf-vor |
| article xml file uploaded | 5 February 2019 11:55 CET | Original file | N/A |
