| article html file updated | 7 February 2020 23:32 CET | Update | https://www.mdpi.com/2073-4344/7/2/66 |
| article html file updated | 23 September 2019 08:42 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:59 CEST | Update | N/A |
| article html file updated | 1 March 2017 08:00 CET | Update | N/A |
| article html file updated | 23 February 2017 10:02 CET | Original file | N/A |
| article xml uploaded. | 23 February 2017 10:01 CET | Update | https://www.mdpi.com/2073-4344/7/2/66/xml |
| article xml uploaded. | 23 February 2017 10:01 CET | Original file | N/A |
| article pdf uploaded. | 23 February 2017 10:01 CET | Updated version of record | https://www.mdpi.com/2073-4344/7/2/66/pdf |
| article pdf uploaded. | 16 February 2017 10:05 CET | Version of Record | https://www.mdpi.com/2073-4344/7/2/66/pdf-vor |
