| article html file updated | 7 February 2020 18:37 CET | Update | https://www.mdpi.com/2077-0383/5/12/108 |
| article html file updated | 22 September 2019 06:58 CEST | Update | - |
| article html file updated | 4 May 2019 21:21 CEST | Update | - |
| article html file updated | 27 December 2016 02:26 CET | Update | - |
| article html file updated | 25 November 2016 10:52 CET | Original file | - |
| article xml uploaded. | 25 November 2016 10:51 CET | Original file | https://www.mdpi.com/2077-0383/5/12/108/xml |
| article pdf uploaded. | 25 November 2016 10:51 CET | Version of Record | https://www.mdpi.com/2077-0383/5/12/108/pdf |
