| article html file updated | 5 February 2020 09:00 CET | Update | https://www.mdpi.com/1420-3049/12/1/74 |
| article html file updated | 9 May 2019 18:12 CEST | Update | - |
| article html file updated | 25 March 2019 04:26 CET | Update | - |
| article html file updated | 22 March 2019 04:39 CET | Update | - |
| article html file updated | 22 March 2019 04:30 CET | Update | - |
| article html file updated | 22 March 2019 04:28 CET | Update | - |
| article html file updated | 19 March 2019 11:07 CET | Update | - |
| article html file updated | 19 March 2019 10:45 CET | Update | - |
| article html file updated | 19 March 2019 09:30 CET | Update | - |
| article html file updated | 10 September 2018 08:34 CEST | Update | - |
| article html file updated | 26 April 2017 07:14 CEST | Original file | - |