| article html file updated | 9 February 2020 06:47 CET | Update | https://www.mdpi.com/2073-4425/9/2/98 |
| article html file updated | 1 May 2019 18:07 CEST | Update | - |
| article html file updated | 17 April 2019 17:27 CEST | Update | - |
| article html file updated | 28 March 2019 23:38 CET | Update | - |
| article html file updated | 14 March 2018 17:08 CET | Update | - |
| article html file updated | 22 February 2018 10:36 CET | Original file | - |
| article xml uploaded. | 22 February 2018 10:35 CET | Update | https://www.mdpi.com/2073-4425/9/2/98/xml |
| article xml uploaded. | 22 February 2018 10:35 CET | Original file | - |
| article pdf uploaded. | 22 February 2018 10:35 CET | Updated version of record | https://www.mdpi.com/2073-4425/9/2/98/pdf |
| article pdf uploaded. | 15 February 2018 14:05 CET | Version of Record | https://www.mdpi.com/2073-4425/9/2/98/pdf-vor |
