| article html file updated | 9 February 2020 12:18 CET | Update | https://www.mdpi.com/2076-0787/7/2/33 |
| article html file updated | 1 May 2019 06:34 CEST | Update | - |
| article html file updated | 17 April 2019 06:37 CEST | Update | - |
| article html file updated | 29 March 2019 12:11 CET | Update | - |
| article html file updated | 11 April 2018 02:58 CEST | Update | - |
| article xml uploaded. | 11 April 2018 02:57 CEST | Update | https://www.mdpi.com/2076-0787/7/2/33/xml |
| article pdf uploaded. | 11 April 2018 02:57 CEST | Updated version of record | https://www.mdpi.com/2076-0787/7/2/33/pdf |
| article html file updated | 3 April 2018 15:51 CEST | Original file | - |
| article pdf uploaded. | 3 April 2018 15:49 CEST | Updated version of record | https://www.mdpi.com/2076-0787/7/2/33/pdf-vor |
| article xml file uploaded | 3 April 2018 15:49 CEST | Original file | - |
| article pdf uploaded. | 2 April 2018 17:25 CEST | Version of Record | https://www.mdpi.com/2076-0787/7/2/33/pdf-vor |
