| article html file updated | 31 August 2025 11:08 CEST | Update | https://www.mdpi.com/2223-7747/9/2/221 |
| article html file updated | 20 July 2022 19:40 CEST | Update | - |
| article html file updated | 6 March 2020 09:07 CET | Update | - |
| article html file updated | 27 February 2020 13:01 CET | Original file | - |
| article pdf uploaded. | 27 February 2020 13:00 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/221/pdf |
| article xml uploaded. | 27 February 2020 13:00 CET | Update | https://www.mdpi.com/2223-7747/9/2/221/xml |
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| article supplementary file uploaded. | 8 February 2020 17:38 CET | - | https://www.mdpi.com/2223-7747/9/2/221#supplementary |
| article pdf uploaded. | 8 February 2020 17:38 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/221/pdf-vor |
| article xml file uploaded | 8 February 2020 17:38 CET | Original file | - |
