| article html file updated | 7 February 2020 22:59 CET | Update | https://www.mdpi.com/1420-3049/22/2/261 |
| article html file updated | 23 September 2019 05:42 CEST | Update | - |
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| article html file updated | 11 September 2018 09:38 CEST | Update | - |
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| article html file updated | 2 March 2017 04:03 CET | Update | - |
| article html file updated | 9 February 2017 12:52 CET | Original file | - |
| article xml uploaded. | 9 February 2017 12:50 CET | Original file | https://www.mdpi.com/1420-3049/22/2/261/xml |
| article pdf uploaded. | 9 February 2017 12:50 CET | Version of Record | https://www.mdpi.com/1420-3049/22/2/261/pdf |
