| article html file updated | 9 February 2020 05:57 CET | Update | https://www.mdpi.com/2076-3921/7/2/27 |
| article html file updated | 30 September 2019 15:24 CEST | Update | N/A |
| article html file updated | 1 May 2019 19:57 CEST | Update | N/A |
| article html file updated | 17 April 2019 19:04 CEST | Update | N/A |
| article html file updated | 28 March 2019 21:53 CET | Update | N/A |
| article html file updated | 14 March 2018 08:23 CET | Update | N/A |
| article html file updated | 8 February 2018 13:52 CET | Original file | N/A |
| article xml uploaded. | 8 February 2018 13:51 CET | Update | https://www.mdpi.com/2076-3921/7/2/27/xml |
| article xml uploaded. | 8 February 2018 13:51 CET | Original file | N/A |
| article pdf uploaded. | 8 February 2018 13:51 CET | Version of Record | https://www.mdpi.com/2076-3921/7/2/27/pdf |
