| article html file updated | 7 February 2020 23:28 CET | Update | https://www.mdpi.com/2075-4701/7/2/59 |
| article html file updated | 23 September 2019 08:19 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:07 CEST | Update | N/A |
| article html file updated | 1 March 2017 03:55 CET | Update | N/A |
| article html file updated | 16 February 2017 09:09 CET | Original file | N/A |
| article xml uploaded. | 16 February 2017 09:07 CET | Update | https://www.mdpi.com/2075-4701/7/2/59/xml |
| article xml uploaded. | 16 February 2017 09:07 CET | Original file | N/A |
| article pdf uploaded. | 16 February 2017 09:05 CET | Updated version of record | https://www.mdpi.com/2075-4701/7/2/59/pdf |
| article pdf uploaded. | 15 February 2017 11:09 CET | Version of Record | https://www.mdpi.com/2075-4701/7/2/59/pdf-vor |
