| article html file updated | 9 February 2020 00:41 CET | Update | https://www.mdpi.com/2075-4698/7/4/37 |
| article html file updated | 29 September 2019 08:46 CEST | Update | N/A |
| article html file updated | 2 May 2019 07:14 CEST | Update | N/A |
| article html file updated | 18 April 2019 05:07 CEST | Update | N/A |
| article html file updated | 2 January 2018 14:12 CET | Update | N/A |
| article html file updated | 21 December 2017 06:48 CET | Update | N/A |
| article xml uploaded. | 21 December 2017 06:47 CET | Update | https://www.mdpi.com/2075-4698/7/4/37/xml |
| article pdf uploaded. | 21 December 2017 06:47 CET | Updated version of record | https://www.mdpi.com/2075-4698/7/4/37/pdf |
| article html file updated | 20 December 2017 14:16 CET | Original file | N/A |
| article xml uploaded. | 20 December 2017 14:15 CET | Original file | N/A |
| article pdf uploaded. | 20 December 2017 14:15 CET | Version of Record | https://www.mdpi.com/2075-4698/7/4/37/pdf-vor |