| article html file updated | 7 February 2020 19:03 CET | Update | https://www.mdpi.com/1420-3049/21/12/1667 |
| article html file updated | 22 September 2019 08:40 CEST | Update | - |
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| article html file updated | 17 September 2018 13:01 CEST | Update | - |
| article html file updated | 27 December 2016 12:04 CET | Update | - |
| article html file updated | 3 December 2016 07:57 CET | Original file | - |
| article xml uploaded. | 3 December 2016 07:56 CET | Original file | https://www.mdpi.com/1420-3049/21/12/1667/xml |
| article pdf uploaded. | 3 December 2016 07:56 CET | Version of Record | https://www.mdpi.com/1420-3049/21/12/1667/pdf |
