| article html file updated | 8 February 2020 11:49 CET | Update | https://www.mdpi.com/2073-431X/6/3/25 |
| article html file updated | 26 September 2019 03:06 CEST | Update | N/A |
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| article html file updated | 23 July 2017 10:29 CEST | Original file | N/A |
| article xml uploaded. | 23 July 2017 10:28 CEST | Update | https://www.mdpi.com/2073-431X/6/3/25/xml |
| article pdf uploaded. | 23 July 2017 10:28 CEST | Version of Record | https://www.mdpi.com/2073-431X/6/3/25/pdf |