| article html file updated | 7 February 2020 23:41 CET | Update | https://www.mdpi.com/1420-3049/22/2/308 |
| article html file updated | 23 September 2019 09:32 CEST | Update | - |
| article html file updated | 4 May 2019 10:41 CEST | Update | - |
| article html file updated | 11 September 2018 10:02 CEST | Update | - |
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| article html file updated | 2 March 2017 04:09 CET | Update | - |
| article html file updated | 17 February 2017 15:45 CET | Original file | - |
| article xml uploaded. | 17 February 2017 15:43 CET | Original file | https://www.mdpi.com/1420-3049/22/2/308/xml |
| article pdf uploaded. | 17 February 2017 15:43 CET | Version of Record | https://www.mdpi.com/1420-3049/22/2/308/pdf |
