| article html file updated | 7 February 2020 20:04 CET | Update | https://www.mdpi.com/1420-3049/21/12/1754 |
| article html file updated | 22 September 2019 13:55 CEST | Update | - |
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| article html file updated | 17 September 2018 13:43 CEST | Update | - |
| article html file updated | 27 December 2016 12:14 CET | Update | - |
| article html file updated | 21 December 2016 12:15 CET | Original file | - |
| article xml uploaded. | 21 December 2016 12:14 CET | Original file | https://www.mdpi.com/1420-3049/21/12/1754/xml |
| article pdf uploaded. | 21 December 2016 12:14 CET | Version of Record | https://www.mdpi.com/1420-3049/21/12/1754/pdf |
