| article html file updated | 9 February 2020 04:50 CET | Update | https://www.mdpi.com/2073-4352/8/2/66 |
| article html file updated | 30 September 2019 08:26 CEST | Update | N/A |
| article html file updated | 1 May 2019 22:30 CEST | Update | N/A |
| article html file updated | 17 April 2019 21:12 CEST | Update | N/A |
| article html file updated | 28 March 2019 19:26 CET | Update | N/A |
| article html file updated | 14 March 2018 09:02 CET | Update | N/A |
| article html file updated | 30 January 2018 10:22 CET | Original file | N/A |
| article xml uploaded. | 30 January 2018 10:20 CET | Original file | https://www.mdpi.com/2073-4352/8/2/66/xml |
| article pdf uploaded. | 30 January 2018 10:20 CET | Version of Record | https://www.mdpi.com/2073-4352/8/2/66/pdf |
