| article html file updated | 7 February 2020 20:55 CET | Update | https://www.mdpi.com/2073-4352/7/1/13 |
| article html file updated | 22 September 2019 18:38 CEST | Update | N/A |
| article html file updated | 4 May 2019 16:29 CEST | Update | N/A |
| article html file updated | 7 February 2017 04:09 CET | Update | N/A |
| article html file updated | 10 January 2017 10:14 CET | Update | N/A |
| article xml uploaded. | 10 January 2017 10:13 CET | Update | https://www.mdpi.com/2073-4352/7/1/13/xml |
| article xml uploaded. | 10 January 2017 10:13 CET | Update | N/A |
| article pdf uploaded. | 10 January 2017 10:13 CET | Updated version of record | https://www.mdpi.com/2073-4352/7/1/13/pdf |
| article html file updated | 6 January 2017 12:52 CET | Original file | N/A |
| article pdf uploaded. | 6 January 2017 12:51 CET | Version of Record | https://www.mdpi.com/2073-4352/7/1/13/pdf-vor |
