| article html file updated | 8 February 2020 23:06 CET | Update | https://www.mdpi.com/2076-2615/7/12/93 |
| article html file updated | 28 September 2019 23:42 CEST | Update | - |
| article html file updated | 2 May 2019 10:42 CEST | Update | - |
| article html file updated | 18 April 2019 08:19 CEST | Update | - |
| article html file updated | 2 January 2018 18:02 CET | Update | - |
| article html file updated | 5 December 2017 07:31 CET | Original file | - |
| article xml uploaded. | 5 December 2017 07:30 CET | Original file | https://www.mdpi.com/2076-2615/7/12/93/xml |
| article pdf uploaded. | 5 December 2017 07:30 CET | Version of Record | https://www.mdpi.com/2076-2615/7/12/93/pdf |
