| article html file updated | 9 February 2020 01:45 CET | Update | https://www.mdpi.com/2076-3417/8/1/55 |
| article html file updated | 2 May 2019 04:57 CEST | Update | N/A |
| article html file updated | 18 April 2019 03:00 CEST | Update | N/A |
| article html file updated | 28 March 2019 12:30 CET | Update | N/A |
| article html file updated | 1 February 2018 11:08 CET | Update | N/A |
| article pdf uploaded. | 23 January 2018 04:25 CET | Updated version of record | https://www.mdpi.com/2076-3417/8/1/55/pdf |
| article html file updated | 2 January 2018 11:23 CET | Original file | N/A |
| article xml uploaded. | 2 January 2018 09:14 CET | Original file | https://www.mdpi.com/2076-3417/8/1/55/xml |
| article pdf uploaded. | 2 January 2018 09:14 CET | Version of Record | https://www.mdpi.com/2076-3417/8/1/55/pdf-vor |
