| article html file updated | 8 February 2020 22:40 CET | Update | https://www.mdpi.com/2077-0383/6/12/113 |
| article html file updated | 28 September 2019 20:54 CEST | Update | - |
| article html file updated | 2 May 2019 11:41 CEST | Update | - |
| article html file updated | 18 April 2019 09:18 CEST | Update | - |
| article html file updated | 2 January 2018 18:16 CET | Update | - |
| article html file updated | 30 November 2017 17:21 CET | Original file | - |
| article xml uploaded. | 30 November 2017 16:00 CET | Original file | https://www.mdpi.com/2077-0383/6/12/113/xml |
| article pdf uploaded. | 30 November 2017 16:00 CET | Updated version of record | https://www.mdpi.com/2077-0383/6/12/113/pdf |
| article pdf uploaded. | 30 November 2017 12:42 CET | Version of Record | - |
