| article html file updated | 9 February 2020 06:31 CET | Update | https://www.mdpi.com/2311-7524/4/1/3 |
| article html file updated | 30 September 2019 18:40 CEST | Update | - |
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| article html file updated | 28 December 2018 02:32 CET | Update | - |
| article html file updated | 13 February 2018 10:53 CET | Original file | - |
| article xml uploaded. | 13 February 2018 10:51 CET | Original file | https://www.mdpi.com/2311-7524/4/1/3/xml |
| article pdf uploaded. | 13 February 2018 10:51 CET | Version of Record | https://www.mdpi.com/2311-7524/4/1/3/pdf |
