| article html file updated | 7 February 2020 22:53 CET | Update | https://www.mdpi.com/1420-3049/22/2/239 |
| article html file updated | 23 September 2019 05:06 CEST | Update | - |
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| article html file updated | 2 March 2017 03:59 CET | Update | - |
| article pdf uploaded. | 10 February 2017 11:26 CET | Updated version of record | https://www.mdpi.com/1420-3049/22/2/239/pdf |
| article html file updated | 8 February 2017 14:15 CET | Original file | - |
| article xml uploaded. | 8 February 2017 14:14 CET | Original file | https://www.mdpi.com/1420-3049/22/2/239/xml |
| article pdf uploaded. | 8 February 2017 14:14 CET | Version of Record | https://www.mdpi.com/1420-3049/22/2/239/pdf-vor |