| article html file updated | 15 August 2026 00:13 CEST | Update | https://www.mdpi.com/2077-1444/9/4/115 |
| article html file updated | 9 February 2020 12:43 CET | Update | N/A |
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| article html file updated | 13 April 2018 10:36 CEST | Original file | N/A |
| article pdf uploaded. | 13 April 2018 10:35 CEST | Updated version of record | https://www.mdpi.com/2077-1444/9/4/115/pdf |
| article xml uploaded. | 13 April 2018 10:35 CEST | Update | https://www.mdpi.com/2077-1444/9/4/115/xml |
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