| article html file updated | 30 August 2025 08:06 CEST | Update | https://www.mdpi.com/2218-273X/8/4/121 |
| article html file updated | 17 July 2022 05:50 CEST | Update | - |
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| article html file updated | 28 December 2018 02:41 CET | Update | - |
| article pdf uploaded. | 23 October 2018 14:00 CEST | Version of Record | https://www.mdpi.com/2218-273X/8/4/121/pdf |
| article xml uploaded. | 23 October 2018 14:00 CEST | Update | https://www.mdpi.com/2218-273X/8/4/121/xml |
| article xml file uploaded | 23 October 2018 14:00 CEST | Original file | - |
| article html file updated | 23 October 2018 13:59 CEST | Original file | - |
