| article html file updated | 7 February 2020 23:50 CET | Update | https://www.mdpi.com/2075-1702/5/1/7 |
| article html file updated | 23 September 2019 10:25 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:23 CEST | Update | N/A |
| article html file updated | 30 March 2017 05:39 CEST | Update | N/A |
| article html file updated | 22 February 2017 01:54 CET | Update | N/A |
| article xml uploaded. | 22 February 2017 01:53 CET | Update | https://www.mdpi.com/2075-1702/5/1/7/xml |
| article xml uploaded. | 22 February 2017 01:53 CET | Update | N/A |
| article pdf uploaded. | 21 February 2017 13:04 CET | Updated version of record | https://www.mdpi.com/2075-1702/5/1/7/pdf |
| article html file updated | 20 February 2017 14:12 CET | Original file | N/A |
| article xml uploaded. | 20 February 2017 14:11 CET | Update | N/A |
| article xml uploaded. | 20 February 2017 14:11 CET | Original file | N/A |
| article pdf uploaded. | 20 February 2017 14:11 CET | Version of Record | https://www.mdpi.com/2075-1702/5/1/7/pdf-vor |
