| article html file updated | 9 February 2020 04:01 CET | Update | https://www.mdpi.com/1422-0067/19/2/330 |
| article html file updated | 30 September 2019 03:38 CEST | Update | - |
| article html file updated | 2 May 2019 00:12 CEST | Update | - |
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| article html file updated | 14 March 2018 18:05 CET | Update | - |
| article html file updated | 23 January 2018 13:53 CET | Original file | - |
| article xml uploaded. | 23 January 2018 13:51 CET | Original file | https://www.mdpi.com/1422-0067/19/2/330/xml |
| article pdf uploaded. | 23 January 2018 13:51 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/330/pdf |
