| article html file updated | 9 February 2020 05:42 CET | Update | https://www.mdpi.com/2075-4701/8/2/109 |
| article html file updated | 30 September 2019 13:51 CEST | Update | N/A |
| article html file updated | 1 May 2019 20:32 CEST | Update | N/A |
| article html file updated | 17 April 2019 19:34 CEST | Update | N/A |
| article html file updated | 28 March 2019 21:19 CET | Update | N/A |
| article html file updated | 6 February 2018 15:42 CET | Original file | N/A |
| article xml uploaded. | 6 February 2018 15:40 CET | Update | https://www.mdpi.com/2075-4701/8/2/109/xml |
| article xml uploaded. | 6 February 2018 15:40 CET | Original file | N/A |
| article pdf uploaded. | 6 February 2018 15:40 CET | Version of Record | https://www.mdpi.com/2075-4701/8/2/109/pdf |
