| article html file updated | 15 August 2026 01:49 CEST | Update | https://www.mdpi.com/1660-4601/15/5/997 |
| article html file updated | 9 February 2020 17:43 CET | Update | N/A |
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| article xml uploaded. | 18 May 2018 15:39 CEST | Update | https://www.mdpi.com/1660-4601/15/5/997/xml |
| article pdf uploaded. | 18 May 2018 15:39 CEST | Updated version of record | https://www.mdpi.com/1660-4601/15/5/997/pdf |
| article pdf uploaded. | 15 May 2018 15:52 CEST | Updated version of record | N/A |
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