| article html file updated | 7 February 2020 10:25 CET | Update | https://www.mdpi.com/1420-3049/21/6/788 |
| article html file updated | 21 September 2019 19:21 CEST | Update | N/A |
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| article html file updated | 29 June 2016 12:04 CEST | Update | N/A |
| article html file updated | 18 June 2016 13:26 CEST | Original file | N/A |
| article xml uploaded. | 18 June 2016 13:25 CEST | Original file | https://www.mdpi.com/1420-3049/21/6/788/xml |
| article pdf uploaded. | 18 June 2016 13:25 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/788/pdf |
