| article html file updated | 30 August 2025 07:40 CEST | Update | https://www.mdpi.com/2226-4787/6/4/111 |
| article html file updated | 17 July 2022 04:37 CEST | Update | N/A |
| article html file updated | 10 February 2020 15:11 CET | Update | N/A |
| article html file updated | 8 October 2019 21:42 CEST | Update | N/A |
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| article html file updated | 11 October 2018 10:02 CEST | Original file | N/A |
| article pdf uploaded. | 11 October 2018 10:01 CEST | Version of Record | https://www.mdpi.com/2226-4787/6/4/111/pdf |
| article xml uploaded. | 11 October 2018 10:01 CEST | Update | https://www.mdpi.com/2226-4787/6/4/111/xml |
| article xml file uploaded | 11 October 2018 10:01 CEST | Original file | N/A |
