| article html file updated | 8 February 2020 00:21 CET | Update | https://www.mdpi.com/2075-4701/7/3/75 |
| article html file updated | 23 September 2019 13:21 CEST | Update | - |
| article html file updated | 4 May 2019 09:15 CEST | Update | - |
| article html file updated | 28 March 2017 11:05 CEST | Update | - |
| article html file updated | 3 March 2017 11:12 CET | Update | - |
| article xml uploaded. | 3 March 2017 11:11 CET | Update | https://www.mdpi.com/2075-4701/7/3/75/xml |
| article pdf uploaded. | 3 March 2017 11:11 CET | Updated version of record | https://www.mdpi.com/2075-4701/7/3/75/pdf |
| article html file updated | 27 February 2017 09:46 CET | Original file | - |
| article xml uploaded. | 27 February 2017 09:45 CET | Original file | - |
| article pdf uploaded. | 27 February 2017 09:45 CET | Version of Record | https://www.mdpi.com/2075-4701/7/3/75/pdf-vor |
