| article html file updated | 9 February 2020 23:55 CET | Update | https://www.mdpi.com/2313-0105/4/3/31 |
| article html file updated | 5 October 2019 05:35 CEST | Update | - |
| article html file updated | 30 April 2019 05:21 CEST | Update | - |
| article html file updated | 16 April 2019 00:37 CEST | Update | - |
| article html file updated | 30 March 2019 16:55 CET | Update | - |
| article html file updated | 1 August 2018 11:40 CEST | Update | - |
| article html file updated | 3 July 2018 14:12 CEST | Original file | - |
| article pdf uploaded. | 3 July 2018 14:11 CEST | Version of Record | https://www.mdpi.com/2313-0105/4/3/31/pdf |
| article xml uploaded. | 3 July 2018 14:11 CEST | Update | https://www.mdpi.com/2313-0105/4/3/31/xml |
| article xml file uploaded | 3 July 2018 14:11 CEST | Original file | - |
