| article html file updated | 7 February 2020 19:42 CET | Update | https://www.mdpi.com/1422-0067/17/12/2112 |
| article html file updated | 22 September 2019 12:00 CEST | Update | - |
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| article html file updated | 27 December 2016 11:17 CET | Update | - |
| article html file updated | 15 December 2016 14:37 CET | Original file | - |
| article xml uploaded. | 15 December 2016 14:35 CET | Original file | https://www.mdpi.com/1422-0067/17/12/2112/xml |
| article pdf uploaded. | 15 December 2016 14:35 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/2112/pdf |
