| article html file updated | 9 February 2020 15:16 CET | Update | https://www.mdpi.com/1911-8074/11/2/20 |
| article html file updated | 1 May 2019 00:40 CEST | Update | - |
| article html file updated | 17 April 2019 01:19 CEST | Update | - |
| article html file updated | 29 March 2019 19:06 CET | Update | - |
| article html file updated | 28 June 2018 09:13 CEST | Update | - |
| article html file updated | 25 April 2018 10:12 CEST | Original file | - |
| article pdf uploaded. | 25 April 2018 10:11 CEST | Version of Record | https://www.mdpi.com/1911-8074/11/2/20/pdf |
| article xml uploaded. | 25 April 2018 10:11 CEST | Update | https://www.mdpi.com/1911-8074/11/2/20/xml |
| article xml file uploaded | 25 April 2018 10:11 CEST | Original file | - |
