| article html file updated | 8 February 2020 00:05 CET | Update | https://www.mdpi.com/2075-4701/7/3/71 |
| article html file updated | 23 September 2019 11:48 CEST | Update | N/A |
| article html file updated | 4 May 2019 09:51 CEST | Update | N/A |
| article html file updated | 28 March 2017 11:04 CEST | Update | N/A |
| article html file updated | 24 February 2017 02:44 CET | Original file | N/A |
| article xml uploaded. | 24 February 2017 02:42 CET | Original file | https://www.mdpi.com/2075-4701/7/3/71/xml |
| article pdf uploaded. | 24 February 2017 02:42 CET | Updated version of record | https://www.mdpi.com/2075-4701/7/3/71/pdf |
| article pdf uploaded. | 23 February 2017 10:24 CET | Version of Record | https://www.mdpi.com/2075-4701/7/3/71/pdf-vor |
