| article html file updated | 10 February 2020 01:09 CET | Update | https://www.mdpi.com/2227-7072/6/3/64 |
| article html file updated | 5 October 2019 13:28 CEST | Update | - |
| article html file updated | 30 April 2019 02:44 CEST | Update | - |
| article html file updated | 15 April 2019 22:03 CEST | Update | - |
| article html file updated | 30 March 2019 19:55 CET | Update | - |
| article html file updated | 22 September 2018 12:17 CEST | Update | - |
| article html file updated | 2 August 2018 08:50 CEST | Update | - |
| article html file updated | 13 July 2018 06:25 CEST | Original file | - |
| article pdf uploaded. | 13 July 2018 06:23 CEST | Version of Record | https://www.mdpi.com/2227-7072/6/3/64/pdf |
| article xml uploaded. | 13 July 2018 06:23 CEST | Update | https://www.mdpi.com/2227-7072/6/3/64/xml |
| article xml file uploaded | 13 July 2018 06:23 CEST | Original file | - |
