| article html file updated | 7 February 2020 23:40 CET | Update | https://www.mdpi.com/1420-3049/22/2/310 |
| article html file updated | 23 September 2019 09:26 CEST | Update | - |
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| article html file updated | 2 March 2017 04:09 CET | Update | - |
| article html file updated | 17 February 2017 14:57 CET | Original file | - |
| article xml uploaded. | 17 February 2017 14:55 CET | Original file | https://www.mdpi.com/1420-3049/22/2/310/xml |
| article pdf uploaded. | 17 February 2017 14:55 CET | Version of Record | https://www.mdpi.com/1420-3049/22/2/310/pdf |
