| article html file updated | 31 August 2025 02:03 CEST | Update | https://www.mdpi.com/2227-9059/7/4/75 |
| article html file updated | 21 August 2025 22:40 CEST | Update | N/A |
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| article html file updated | 27 September 2019 01:22 CEST | Original file | N/A |
| article pdf uploaded. | 26 September 2019 13:44 CEST | Version of Record | https://www.mdpi.com/2227-9059/7/4/75/pdf |
| article xml uploaded. | 26 September 2019 13:44 CEST | Update | https://www.mdpi.com/2227-9059/7/4/75/xml |
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