| article html file updated | 9 February 2020 10:17 CET | Update | https://www.mdpi.com/2076-3417/8/3/468 |
| article html file updated | 1 October 2019 17:50 CEST | Update | - |
| article html file updated | 1 May 2019 10:49 CEST | Update | - |
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| article html file updated | 26 March 2018 14:45 CEST | Update | - |
| article html file updated | 19 March 2018 11:13 CET | Original file | - |
| article xml uploaded. | 19 March 2018 11:12 CET | Update | https://www.mdpi.com/2076-3417/8/3/468/xml |
| article pdf uploaded. | 19 March 2018 11:12 CET | Updated version of record | https://www.mdpi.com/2076-3417/8/3/468/pdf |
| article pdf uploaded. | 18 March 2018 10:08 CET | Version of Record | https://www.mdpi.com/2076-3417/8/3/468/pdf-vor |