| article html file updated | 11 February 2020 04:08 CET | Update | https://www.mdpi.com/2227-7080/6/4/122 |
| article html file updated | 12 October 2019 04:56 CEST | Update | - |
| article html file updated | 27 April 2019 17:11 CEST | Update | - |
| article html file updated | 13 April 2019 13:04 CEST | Update | - |
| article html file updated | 2 April 2019 15:50 CEST | Update | - |
| article html file updated | 26 December 2018 03:59 CET | Update | - |
| article html file updated | 19 December 2018 13:02 CET | Original file | - |
| article pdf uploaded. | 19 December 2018 13:01 CET | Version of Record | https://www.mdpi.com/2227-7080/6/4/122/pdf |
| article xml uploaded. | 19 December 2018 13:01 CET | Update | https://www.mdpi.com/2227-7080/6/4/122/xml |
| article xml file uploaded | 19 December 2018 13:01 CET | Original file | - |
