| article html file updated | 7 February 2020 12:24 CET | Update | https://www.mdpi.com/1420-3049/21/8/977 |
| article html file updated | 21 September 2019 21:51 CEST | Update | - |
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| article html file updated | 27 July 2016 15:23 CEST | Original file | - |
| article xml uploaded. | 27 July 2016 15:22 CEST | Original file | https://www.mdpi.com/1420-3049/21/8/977/xml |
| article pdf uploaded. | 27 July 2016 15:22 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/8/977/pdf |
