| article html file updated | 9 February 2020 02:38 CET | Update | https://www.mdpi.com/2073-431X/7/1/8 |
| article html file updated | 29 September 2019 19:40 CEST | Update | - |
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| article html file updated | 5 April 2018 04:25 CEST | Update | - |
| article html file updated | 26 March 2018 16:01 CEST | Update | - |
| article pdf uploaded. | 22 January 2018 11:14 CET | Updated version of record | https://www.mdpi.com/2073-431X/7/1/8/pdf |
| article html file updated | 10 January 2018 17:36 CET | Original file | - |
| article xml uploaded. | 10 January 2018 17:35 CET | Original file | https://www.mdpi.com/2073-431X/7/1/8/xml |
| article pdf uploaded. | 10 January 2018 17:35 CET | Version of Record | https://www.mdpi.com/2073-431X/7/1/8/pdf-vor |
