| article html file updated | 30 August 2025 09:02 CEST | Update | https://www.mdpi.com/2227-7072/6/4/94 |
| article html file updated | 17 July 2022 10:15 CEST | Update | N/A |
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| article html file updated | 26 December 2018 11:40 CET | Update | N/A |
| article html file updated | 23 November 2018 13:00 CET | Original file | N/A |
| article pdf uploaded. | 23 November 2018 12:59 CET | Updated version of record | https://www.mdpi.com/2227-7072/6/4/94/pdf |
| article xml uploaded. | 23 November 2018 12:59 CET | Update | https://www.mdpi.com/2227-7072/6/4/94/xml |
| article xml file uploaded | 23 November 2018 12:59 CET | Update | N/A |
| article pdf uploaded. | 20 November 2018 16:57 CET | Updated version of record | https://www.mdpi.com/2227-7072/6/4/94/pdf-vor |
| article pdf uploaded. | 20 November 2018 16:27 CET | Version of Record | https://www.mdpi.com/2227-7072/6/4/94/pdf-vor |
| article xml file uploaded | 20 November 2018 16:27 CET | Original file | N/A |
