| article html file updated | 8 February 2020 10:45 CET | Update | https://www.mdpi.com/2305-6320/4/3/53 |
| article html file updated | 25 September 2019 21:21 CEST | Update | - |
| article html file updated | 3 May 2019 12:52 CEST | Update | - |
| article html file updated | 30 September 2017 15:40 CEST | Update | - |
| article html file updated | 11 July 2017 14:45 CEST | Original file | - |
| article xml uploaded. | 11 July 2017 14:43 CEST | Update | https://www.mdpi.com/2305-6320/4/3/53/xml |
| article pdf uploaded. | 11 July 2017 14:43 CEST | Version of Record | https://www.mdpi.com/2305-6320/4/3/53/pdf |
