| article html file updated | 8 February 2020 07:42 CET | Update | https://www.mdpi.com/2076-3425/7/6/63 |
| article html file updated | 25 September 2019 05:28 CEST | Update | - |
| article html file updated | 3 May 2019 18:32 CEST | Update | - |
| article html file updated | 27 June 2017 09:54 CEST | Update | - |
| article html file updated | 7 June 2017 13:31 CEST | Original file | - |
| article xml uploaded. | 7 June 2017 13:29 CEST | Original file | https://www.mdpi.com/2076-3425/7/6/63/xml |
| article pdf uploaded. | 7 June 2017 13:29 CEST | Version of Record | https://www.mdpi.com/2076-3425/7/6/63/pdf |
