| article html file updated | 30 August 2025 09:22 CEST | Update | https://www.mdpi.com/2227-9059/6/4/111 |
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| article html file updated | 30 December 2018 02:00 CET | Update | - |
| article html file updated | 29 November 2018 12:14 CET | Original file | - |
| article pdf uploaded. | 29 November 2018 12:13 CET | Version of Record | https://www.mdpi.com/2227-9059/6/4/111/pdf |
| article xml uploaded. | 29 November 2018 12:13 CET | Update | https://www.mdpi.com/2227-9059/6/4/111/xml |
| article xml file uploaded | 29 November 2018 12:13 CET | Original file | - |
