| article html file updated | 14 August 2026 20:25 CEST | Update | https://www.mdpi.com/1996-1944/11/1/18 |
| article html file updated | 30 August 2025 02:04 CEST | Update | N/A |
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| article html file updated | 23 December 2017 12:01 CET | Original file | N/A |
| article xml uploaded. | 23 December 2017 11:59 CET | Update | https://www.mdpi.com/1996-1944/11/1/18/xml |
| article xml uploaded. | 23 December 2017 11:59 CET | Original file | N/A |
| article pdf uploaded. | 23 December 2017 11:59 CET | Version of Record | https://www.mdpi.com/1996-1944/11/1/18/pdf |
