| article html file updated | 7 February 2020 22:50 CET | Update | https://www.mdpi.com/2073-4352/7/2/40 |
| article html file updated | 23 September 2019 04:54 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:21 CEST | Update | N/A |
| article html file updated | 2 March 2017 03:42 CET | Update | N/A |
| article html file updated | 9 February 2017 10:15 CET | Update | N/A |
| article xml uploaded. | 9 February 2017 10:14 CET | Update | https://www.mdpi.com/2073-4352/7/2/40/xml |
| article xml uploaded. | 9 February 2017 10:14 CET | Update | N/A |
| article pdf uploaded. | 9 February 2017 10:14 CET | Updated version of record | https://www.mdpi.com/2073-4352/7/2/40/pdf |
| article html file updated | 8 February 2017 11:19 CET | Original file | N/A |
| article xml uploaded. | 8 February 2017 10:34 CET | Update | N/A |
| article xml uploaded. | 8 February 2017 10:34 CET | Original file | N/A |
| article pdf uploaded. | 8 February 2017 10:34 CET | Version of Record | https://www.mdpi.com/2073-4352/7/2/40/pdf-vor |
