| article html file updated | 8 February 2020 16:56 CET | Update | https://www.mdpi.com/2077-0472/7/10/81 |
| article html file updated | 27 September 2019 07:41 CEST | Update | - |
| article html file updated | 3 May 2019 00:32 CEST | Update | - |
| article html file updated | 27 June 2018 23:55 CEST | Update | - |
| article xml uploaded. | 27 June 2018 03:12 CEST | Update | https://www.mdpi.com/2077-0472/7/10/81/xml |
| article html file updated | 22 September 2017 14:47 CEST | Original file | - |
| article xml uploaded. | 22 September 2017 14:46 CEST | Original file | - |
| article pdf uploaded. | 22 September 2017 14:46 CEST | Version of Record | https://www.mdpi.com/2077-0472/7/10/81/pdf |
