| article html file updated | 8 February 2020 01:16 CET | Update | https://www.mdpi.com/2077-0472/7/3/26 |
| article html file updated | 23 September 2019 18:42 CEST | Update | - |
| article html file updated | 4 May 2019 07:08 CEST | Update | - |
| article html file updated | 28 March 2017 03:17 CEST | Update | - |
| article html file updated | 11 March 2017 11:15 CET | Original file | - |
| article xml uploaded. | 11 March 2017 11:14 CET | Original file | https://www.mdpi.com/2077-0472/7/3/26/xml |
| article pdf uploaded. | 11 March 2017 11:14 CET | Version of Record | https://www.mdpi.com/2077-0472/7/3/26/pdf |
