| article html file updated | 9 February 2020 06:44 CET | Update | https://www.mdpi.com/2073-4425/9/2/97 |
| article html file updated | 30 September 2019 19:58 CEST | Update | - |
| article html file updated | 1 May 2019 18:12 CEST | Update | - |
| article html file updated | 17 April 2019 17:32 CEST | Update | - |
| article html file updated | 28 March 2019 23:32 CET | Update | - |
| article html file updated | 14 March 2018 17:08 CET | Update | - |
| article html file updated | 19 February 2018 17:50 CET | Original file | - |
| article xml uploaded. | 19 February 2018 17:49 CET | Original file | https://www.mdpi.com/2073-4425/9/2/97/xml |
| article pdf uploaded. | 19 February 2018 17:49 CET | Updated version of record | https://www.mdpi.com/2073-4425/9/2/97/pdf |
| article pdf uploaded. | 14 February 2018 19:12 CET | Version of Record | - |
