| article html file updated | 9 February 2020 17:12 CET | Update | https://www.mdpi.com/2076-0787/7/2/45 |
| article html file updated | 30 April 2019 20:43 CEST | Update | - |
| article html file updated | 16 April 2019 21:11 CEST | Update | - |
| article html file updated | 29 March 2019 23:48 CET | Update | - |
| article html file updated | 16 May 2018 08:24 CEST | Update | - |
| article xml uploaded. | 16 May 2018 08:23 CEST | Update | https://www.mdpi.com/2076-0787/7/2/45/xml |
| article pdf uploaded. | 16 May 2018 08:23 CEST | Updated version of record | https://www.mdpi.com/2076-0787/7/2/45/pdf |
| article html file updated | 14 May 2018 08:55 CEST | Update | - |
| article pdf uploaded. | 14 May 2018 08:54 CEST | Updated version of record | https://www.mdpi.com/2076-0787/7/2/45/pdf-vor |
| article html file updated | 11 May 2018 09:07 CEST | Original file | - |
| article pdf uploaded. | 11 May 2018 09:06 CEST | Version of Record | https://www.mdpi.com/2076-0787/7/2/45/pdf-vor |
| article xml file uploaded | 11 May 2018 09:06 CEST | Original file | - |