| article html file updated | 9 February 2020 07:11 CET | Update | https://www.mdpi.com/2073-4433/9/2/77 |
| article html file updated | 30 September 2019 22:33 CEST | Update | - |
| article html file updated | 1 May 2019 17:16 CEST | Update | - |
| article html file updated | 17 April 2019 16:38 CEST | Update | - |
| article html file updated | 29 March 2019 00:29 CET | Update | - |
| article html file updated | 14 March 2018 10:58 CET | Update | - |
| article html file updated | 25 February 2018 03:07 CET | Original file | - |
| article xml uploaded. | 25 February 2018 03:06 CET | Update | https://www.mdpi.com/2073-4433/9/2/77/xml |
| article xml uploaded. | 25 February 2018 03:06 CET | Original file | - |
| article pdf uploaded. | 21 February 2018 16:08 CET | Updated version of record | https://www.mdpi.com/2073-4433/9/2/77/pdf |
| article pdf uploaded. | 21 February 2018 15:59 CET | Version of Record | - |
