| article html file updated | 8 February 2020 08:00 CET | Update | https://www.mdpi.com/2075-4663/5/2/36 |
| article html file updated | 25 September 2019 06:57 CEST | Update | - |
| article html file updated | 3 May 2019 17:58 CEST | Update | - |
| article html file updated | 29 June 2017 11:51 CEST | Update | - |
| article html file updated | 10 June 2017 13:04 CEST | Original file | - |
| article xml uploaded. | 10 June 2017 13:03 CEST | Original file | https://www.mdpi.com/2075-4663/5/2/36/xml |
| article pdf uploaded. | 10 June 2017 13:03 CEST | Version of Record | https://www.mdpi.com/2075-4663/5/2/36/pdf |
