| article html file updated | 9 February 2020 00:12 CET | Update | https://www.mdpi.com/2073-4360/9/12/718 |
| article html file updated | 29 September 2019 05:58 CEST | Update | - |
| article html file updated | 2 May 2019 08:18 CEST | Update | - |
| article html file updated | 18 April 2019 06:05 CEST | Update | - |
| article html file updated | 2 January 2018 15:12 CET | Update | - |
| article html file updated | 15 December 2017 16:57 CET | Original file | - |
| article xml uploaded. | 15 December 2017 16:56 CET | Original file | https://www.mdpi.com/2073-4360/9/12/718/xml |
| article pdf uploaded. | 15 December 2017 16:54 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/12/718/pdf |
| article pdf uploaded. | 15 December 2017 12:34 CET | Version of Record | - |