| article html file updated | 7 February 2020 10:29 CET | Update | https://www.mdpi.com/1420-3049/21/6/799 |
| article html file updated | 21 September 2019 19:26 CEST | Update | N/A |
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| article html file updated | 29 June 2016 12:05 CEST | Update | N/A |
| article html file updated | 21 June 2016 10:51 CEST | Original file | N/A |
| article xml uploaded. | 21 June 2016 10:50 CEST | Original file | https://www.mdpi.com/1420-3049/21/6/799/xml |
| article pdf uploaded. | 21 June 2016 10:50 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/799/pdf |
