| article html file updated | 14 August 2026 13:33 CEST | Update | https://www.mdpi.com/1424-8220/17/4/718 |
| article html file updated | 8 February 2020 02:31 CET | Update | N/A |
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| article html file updated | 29 April 2017 13:40 CEST | Update | N/A |
| article html file updated | 1 April 2017 08:00 CEST | Original file | N/A |
| article xml uploaded. | 1 April 2017 07:59 CEST | Original file | https://www.mdpi.com/1424-8220/17/4/718/xml |
| article pdf uploaded. | 1 April 2017 07:59 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/718/pdf |
| article pdf uploaded. | 29 March 2017 14:13 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/718/pdf-vor |
