| article html file updated | 9 February 2020 02:37 CET | Update | https://www.mdpi.com/2073-4352/8/1/28 |
| article html file updated | 29 September 2019 19:37 CEST | Update | - |
| article html file updated | 2 May 2019 03:09 CEST | Update | - |
| article html file updated | 18 April 2019 01:19 CEST | Update | - |
| article html file updated | 28 March 2019 14:33 CET | Update | - |
| article html file updated | 1 February 2018 10:32 CET | Update | - |
| article html file updated | 10 January 2018 16:55 CET | Update | - |
| article html file updated | 10 January 2018 16:54 CET | Original file | - |
| article xml uploaded. | 10 January 2018 16:53 CET | Update | https://www.mdpi.com/2073-4352/8/1/28/xml |
| article pdf uploaded. | 10 January 2018 16:53 CET | Updated version of record | https://www.mdpi.com/2073-4352/8/1/28/pdf |
| article xml uploaded. | 10 January 2018 16:53 CET | Original file | - |
| article pdf uploaded. | 10 January 2018 16:53 CET | Version of Record | https://www.mdpi.com/2073-4352/8/1/28/pdf-vor |
