| article html file updated | 7 February 2020 13:44 CET | Update | https://www.mdpi.com/2076-3425/6/3/36 |
| article html file updated | 5 May 2019 06:21 CEST | Update | - |
| article html file updated | 27 March 2019 14:28 CET | Update | - |
| article html file updated | 28 September 2016 11:44 CEST | Update | - |
| article html file updated | 23 August 2016 14:52 CEST | Original file | - |
| article xml uploaded. | 23 August 2016 14:50 CEST | Update | https://www.mdpi.com/2076-3425/6/3/36/xml |
| article xml uploaded. | 23 August 2016 14:50 CEST | Original file | - |
| article pdf uploaded. | 23 August 2016 14:50 CEST | Version of Record | https://www.mdpi.com/2076-3425/6/3/36/pdf |
