| article html file updated | 8 February 2020 08:11 CET | Update | https://www.mdpi.com/1420-3049/22/6/981 |
| article html file updated | 25 September 2019 07:49 CEST | Update | - |
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| article html file updated | 30 June 2017 12:32 CEST | Update | - |
| article html file updated | 13 June 2017 13:15 CEST | Original file | - |
| article xml uploaded. | 13 June 2017 13:14 CEST | Original file | https://www.mdpi.com/1420-3049/22/6/981/xml |
| article pdf uploaded. | 13 June 2017 13:14 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/6/981/pdf |
