| article html file updated | 30 August 2025 07:30 CEST | Update | https://www.mdpi.com/2311-5521/3/4/71 |
| article html file updated | 17 July 2022 04:11 CEST | Update | N/A |
| article html file updated | 10 February 2020 14:15 CET | Update | N/A |
| article html file updated | 8 October 2019 16:25 CEST | Update | N/A |
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| article html file updated | 12 October 2018 09:26 CEST | Original file | N/A |
| article pdf uploaded. | 12 October 2018 09:26 CEST | Updated version of record | https://www.mdpi.com/2311-5521/3/4/71/pdf |
| article xml uploaded. | 12 October 2018 09:26 CEST | Update | https://www.mdpi.com/2311-5521/3/4/71/xml |
| article xml file uploaded | 12 October 2018 09:26 CEST | Update | N/A |
| article pdf uploaded. | 4 October 2018 16:54 CEST | Updated version of record | https://www.mdpi.com/2311-5521/3/4/71/pdf-vor |
| article pdf uploaded. | 4 October 2018 16:34 CEST | Version of Record | https://www.mdpi.com/2311-5521/3/4/71/pdf-vor |
| article xml file uploaded | 4 October 2018 16:34 CEST | Original file | N/A |
