| article html file updated | 7 February 2020 23:16 CET | Update | https://www.mdpi.com/2075-1729/7/1/7 |
| article html file updated | 23 September 2019 07:13 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:29 CEST | Update | N/A |
| article html file updated | 29 March 2017 07:46 CEST | Update | N/A |
| article html file updated | 16 February 2017 07:41 CET | Update | N/A |
| article xml uploaded. | 16 February 2017 07:40 CET | Update | https://www.mdpi.com/2075-1729/7/1/7/xml |
| article pdf uploaded. | 16 February 2017 07:40 CET | Updated version of record | https://www.mdpi.com/2075-1729/7/1/7/pdf |
| article html file updated | 14 February 2017 04:48 CET | Update | N/A |
| article xml uploaded. | 14 February 2017 04:47 CET | Update | N/A |
| article pdf uploaded. | 14 February 2017 04:47 CET | Updated version of record | https://www.mdpi.com/2075-1729/7/1/7/pdf-vor |
| article html file updated | 13 February 2017 12:14 CET | Original file | N/A |
| article xml uploaded. | 13 February 2017 12:13 CET | Original file | N/A |
| article pdf uploaded. | 13 February 2017 12:13 CET | Version of Record | https://www.mdpi.com/2075-1729/7/1/7/pdf-vor |
