| article html file updated | 9 February 2020 10:31 CET | Update | https://www.mdpi.com/2077-1444/9/3/89 |
| article html file updated | 1 May 2019 10:18 CEST | Update | - |
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| article html file updated | 26 March 2018 13:03 CEST | Update | - |
| article html file updated | 20 March 2018 17:46 CET | Original file | - |
| article xml uploaded. | 20 March 2018 17:44 CET | Original file | https://www.mdpi.com/2077-1444/9/3/89/xml |
| article pdf uploaded. | 20 March 2018 17:44 CET | Version of Record | https://www.mdpi.com/2077-1444/9/3/89/pdf |
