| article html file updated | 8 February 2020 02:00 CET | Update | https://www.mdpi.com/1420-3049/22/3/502 |
| article html file updated | 23 September 2019 22:57 CEST | Update | N/A |
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| article html file updated | 22 March 2017 11:17 CET | Original file | N/A |
| article xml uploaded. | 22 March 2017 11:16 CET | Original file | https://www.mdpi.com/1420-3049/22/3/502/xml |
| article pdf uploaded. | 22 March 2017 11:16 CET | Version of Record | https://www.mdpi.com/1420-3049/22/3/502/pdf |