| article html file updated | 30 August 2025 20:57 CEST | Update | https://www.mdpi.com/2223-7747/8/6/164 |
| article html file updated | 20 July 2022 15:49 CEST | Update | N/A |
| article html file updated | 12 February 2020 18:47 CET | Update | N/A |
| article html file updated | 21 October 2019 16:05 CEST | Update | N/A |
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| article html file updated | 23 June 2019 07:47 CEST | Original file | N/A |
| article pdf uploaded. | 23 June 2019 07:45 CEST | Updated version of record | https://www.mdpi.com/2223-7747/8/6/164/pdf |
| article xml uploaded. | 23 June 2019 07:45 CEST | Update | https://www.mdpi.com/2223-7747/8/6/164/xml |
| article xml file uploaded | 23 June 2019 07:45 CEST | Update | N/A |
| article pdf uploaded. | 10 June 2019 17:03 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/6/164/pdf-vor |
| article xml file uploaded | 10 June 2019 17:03 CEST | Original file | N/A |
