| article html file updated | 9 February 2020 21:08 CET | Update | https://www.mdpi.com/2076-0787/7/2/60 |
| article html file updated | 30 April 2019 11:43 CEST | Update | - |
| article html file updated | 16 April 2019 12:08 CEST | Update | - |
| article html file updated | 16 April 2019 06:54 CEST | Update | - |
| article html file updated | 30 March 2019 09:56 CET | Update | - |
| article html file updated | 13 June 2018 07:39 CEST | Update | - |
| article xml uploaded. | 13 June 2018 07:38 CEST | Update | https://www.mdpi.com/2076-0787/7/2/60/xml |
| article pdf uploaded. | 13 June 2018 07:38 CEST | Updated version of record | https://www.mdpi.com/2076-0787/7/2/60/pdf |
| article html file updated | 12 June 2018 10:52 CEST | Update | - |
| article pdf uploaded. | 12 June 2018 10:51 CEST | Updated version of record | https://www.mdpi.com/2076-0787/7/2/60/pdf-vor |
| article xml file uploaded | 12 June 2018 10:51 CEST | Update | - |
| article html file updated | 12 June 2018 09:25 CEST | Original file | - |
| article pdf uploaded. | 12 June 2018 09:23 CEST | Version of Record | https://www.mdpi.com/2076-0787/7/2/60/pdf-vor |
| article xml file uploaded | 12 June 2018 09:23 CEST | Original file | - |
