| article html file updated | 31 August 2025 10:54 CEST | Update | https://www.mdpi.com/2223-7747/9/2/202 |
| article html file updated | 20 July 2022 19:26 CEST | Update | - |
| article html file updated | 6 March 2020 08:55 CET | Update | - |
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| article pdf uploaded. | 10 February 2020 03:21 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/202/pdf |
| article xml uploaded. | 10 February 2020 03:21 CET | Update | https://www.mdpi.com/2223-7747/9/2/202/xml |
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| article html file updated | 7 February 2020 17:37 CET | Update | - |
| article pdf uploaded. | 7 February 2020 14:21 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/202/pdf-vor |
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| article html file updated | 6 February 2020 13:16 CET | Original file | - |
| article pdf uploaded. | 6 February 2020 13:15 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/202/pdf-vor |
| article xml uploaded. | 6 February 2020 13:15 CET | Update | - |
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