| article html file updated | 8 February 2020 02:07 CET | Update | https://www.mdpi.com/1420-3049/22/4/511 |
| article html file updated | 23 September 2019 23:38 CEST | Update | N/A |
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| article html file updated | 24 March 2017 13:32 CET | Original file | N/A |
| article xml uploaded. | 24 March 2017 13:30 CET | Update | https://www.mdpi.com/1420-3049/22/4/511/xml |
| article pdf uploaded. | 24 March 2017 13:30 CET | Updated version of record | https://www.mdpi.com/1420-3049/22/4/511/pdf |
| article pdf uploaded. | 23 March 2017 13:01 CET | Version of Record | https://www.mdpi.com/1420-3049/22/4/511/pdf-vor |