| article html file updated | 9 February 2020 02:19 CET | Update | https://www.mdpi.com/2304-6740/6/1/11 |
| article html file updated | 29 September 2019 17:58 CEST | Update | N/A |
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| article html file updated | 8 January 2018 09:56 CET | Original file | N/A |
| article xml uploaded. | 8 January 2018 09:54 CET | Original file | https://www.mdpi.com/2304-6740/6/1/11/xml |
| article pdf uploaded. | 8 January 2018 09:54 CET | Version of Record | https://www.mdpi.com/2304-6740/6/1/11/pdf |