| article html file updated | 11 February 2020 01:17 CET | Update | https://www.mdpi.com/2304-8158/7/12/199 |
| article html file updated | 11 October 2019 11:38 CEST | Update | - |
| article html file updated | 27 April 2019 23:36 CEST | Update | - |
| article html file updated | 13 April 2019 19:30 CEST | Update | - |
| article html file updated | 2 April 2019 07:51 CEST | Update | - |
| article html file updated | 5 December 2018 09:14 CET | Original file | - |
| article pdf uploaded. | 5 December 2018 09:12 CET | Version of Record | https://www.mdpi.com/2304-8158/7/12/199/pdf |
| article xml uploaded. | 5 December 2018 09:12 CET | Update | https://www.mdpi.com/2304-8158/7/12/199/xml |
| article xml file uploaded | 5 December 2018 09:12 CET | Original file | - |
