| article html file updated | 9 February 2020 10:05 CET | Update | https://www.mdpi.com/2073-8994/10/3/69 |
| article html file updated | 1 October 2019 16:42 CEST | Update | - |
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| article html file updated | 19 March 2018 12:44 CET | Update | - |
| article xml uploaded. | 19 March 2018 12:43 CET | Update | https://www.mdpi.com/2073-8994/10/3/69/xml |
| article pdf uploaded. | 19 March 2018 12:43 CET | Updated version of record | https://www.mdpi.com/2073-8994/10/3/69/pdf |
| article html file updated | 16 March 2018 10:15 CET | Original file | - |
| article pdf uploaded. | 16 March 2018 10:14 CET | Version of Record | https://www.mdpi.com/2073-8994/10/3/69/pdf-vor |
