| article html file updated | 9 February 2020 02:38 CET | Update | https://www.mdpi.com/2073-4344/8/1/18 |
| article html file updated | 29 September 2019 19:39 CEST | Update | - |
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| article html file updated | 1 February 2018 10:08 CET | Update | - |
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| article xml uploaded. | 11 January 2018 04:36 CET | Update | https://www.mdpi.com/2073-4344/8/1/18/xml |
| article pdf uploaded. | 11 January 2018 04:36 CET | Updated version of record | https://www.mdpi.com/2073-4344/8/1/18/pdf |
| article html file updated | 10 January 2018 17:41 CET | Original file | - |
| article xml uploaded. | 10 January 2018 17:39 CET | Update | - |
| article xml uploaded. | 10 January 2018 17:39 CET | Original file | - |
| article pdf uploaded. | 10 January 2018 17:39 CET | Version of Record | https://www.mdpi.com/2073-4344/8/1/18/pdf-vor |
