| article html file updated | 9 February 2020 07:26 CET | Update | https://www.mdpi.com/2073-4352/8/2/106 |
| article html file updated | 1 May 2019 16:46 CEST | Update | - |
| article html file updated | 17 April 2019 16:10 CEST | Update | - |
| article html file updated | 29 March 2019 01:00 CET | Update | - |
| article html file updated | 14 March 2018 08:58 CET | Update | - |
| article html file updated | 24 February 2018 10:13 CET | Original file | - |
| article xml uploaded. | 24 February 2018 10:11 CET | Original file | https://www.mdpi.com/2073-4352/8/2/106/xml |
| article pdf uploaded. | 24 February 2018 10:11 CET | Updated version of record | https://www.mdpi.com/2073-4352/8/2/106/pdf |
| article pdf uploaded. | 23 February 2018 16:29 CET | Version of Record | https://www.mdpi.com/2073-4352/8/2/106/pdf-vor |
