| article html file updated | 14 August 2026 17:37 CEST | Update | https://www.mdpi.com/2076-3425/7/9/120 |
| article html file updated | 8 February 2020 16:34 CET | Update | N/A |
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| article xml uploaded. | 20 September 2017 11:11 CEST | Original file | https://www.mdpi.com/2076-3425/7/9/120/xml |
| article pdf uploaded. | 20 September 2017 11:11 CEST | Updated version of record | https://www.mdpi.com/2076-3425/7/9/120/pdf |
| article pdf uploaded. | 19 September 2017 14:37 CEST | Version of Record | https://www.mdpi.com/2076-3425/7/9/120/pdf-vor |
