| article html file updated | 8 February 2020 03:58 CET | Update | https://www.mdpi.com/2304-6740/5/2/27 |
| article html file updated | 24 September 2019 10:01 CEST | Update | - |
| article html file updated | 4 May 2019 01:30 CEST | Update | - |
| article html file updated | 30 June 2017 08:24 CEST | Update | - |
| article html file updated | 20 April 2017 10:05 CEST | Original file | - |
| article xml uploaded. | 20 April 2017 10:03 CEST | Update | https://www.mdpi.com/2304-6740/5/2/27/xml |
| article pdf uploaded. | 20 April 2017 10:03 CEST | Version of Record | https://www.mdpi.com/2304-6740/5/2/27/pdf |
