| article html file updated | 7 February 2020 07:55 CET | Update | https://www.mdpi.com/2077-1444/7/5/44 |
| article html file updated | 5 May 2019 17:18 CEST | Update | - |
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| article xml uploaded. | 6 May 2016 10:23 CEST | Update | https://www.mdpi.com/2077-1444/7/5/44/xml |
| article pdf uploaded. | 6 May 2016 10:23 CEST | Updated version of record | https://www.mdpi.com/2077-1444/7/5/44/pdf |
| article html file updated | 28 April 2016 13:53 CEST | Original file | - |
| article pdf uploaded. | 28 April 2016 13:44 CEST | Version of Record | https://www.mdpi.com/2077-1444/7/5/44/pdf-vor |
