| article html file updated | 9 February 2020 01:08 CET | Update | https://www.mdpi.com/2075-4701/8/1/6 |
| article html file updated | 29 September 2019 11:20 CEST | Update | N/A |
| article html file updated | 2 May 2019 06:16 CEST | Update | N/A |
| article html file updated | 18 April 2019 04:14 CEST | Update | N/A |
| article html file updated | 28 March 2019 11:00 CET | Update | N/A |
| article html file updated | 9 February 2018 10:52 CET | Update | N/A |
| article html file updated | 1 February 2018 09:36 CET | Update | N/A |
| article html file updated | 29 December 2017 09:15 CET | Update | N/A |
| article xml uploaded. | 29 December 2017 09:14 CET | Update | https://www.mdpi.com/2075-4701/8/1/6/xml |
| article xml uploaded. | 29 December 2017 09:14 CET | Update | N/A |
| article pdf uploaded. | 29 December 2017 09:14 CET | Updated version of record | https://www.mdpi.com/2075-4701/8/1/6/pdf |
| article html file updated | 25 December 2017 10:11 CET | Original file | N/A |
| article xml uploaded. | 25 December 2017 10:10 CET | Original file | N/A |
| article pdf uploaded. | 25 December 2017 10:10 CET | Version of Record | https://www.mdpi.com/2075-4701/8/1/6/pdf-vor |
