| article html file updated | 11 February 2020 16:14 CET | Update | https://www.mdpi.com/2304-6740/7/2/23 |
| article html file updated | 15 October 2019 01:02 CEST | Update | - |
| article html file updated | 26 April 2019 16:23 CEST | Update | - |
| article html file updated | 12 April 2019 12:11 CEST | Update | - |
| article html file updated | 3 April 2019 21:00 CEST | Update | - |
| article html file updated | 4 March 2019 06:28 CET | Update | - |
| article html file updated | 1 March 2019 01:20 CET | Update | - |
| article html file updated | 15 February 2019 10:06 CET | Original file | - |
| article pdf uploaded. | 15 February 2019 10:05 CET | Version of Record | https://www.mdpi.com/2304-6740/7/2/23/pdf |
| article xml uploaded. | 15 February 2019 10:05 CET | Update | https://www.mdpi.com/2304-6740/7/2/23/xml |
| article xml file uploaded | 15 February 2019 10:05 CET | Original file | - |
