| article html file updated | 9 February 2020 07:11 CET | Update | https://www.mdpi.com/1660-3397/16/2/70 |
| article html file updated | 30 September 2019 22:28 CEST | Update | N/A |
| article html file updated | 1 May 2019 17:17 CEST | Update | N/A |
| article html file updated | 17 April 2019 16:39 CEST | Update | N/A |
| article html file updated | 29 March 2019 00:28 CET | Update | N/A |
| article html file updated | 14 March 2018 17:07 CET | Update | N/A |
| article html file updated | 27 February 2018 05:20 CET | Original file | N/A |
| article xml uploaded. | 27 February 2018 05:19 CET | Original file | https://www.mdpi.com/1660-3397/16/2/70/xml |
| article pdf uploaded. | 27 February 2018 05:19 CET | Updated version of record | https://www.mdpi.com/1660-3397/16/2/70/pdf |
| article pdf uploaded. | 21 February 2018 14:53 CET | Version of Record | https://www.mdpi.com/1660-3397/16/2/70/pdf-vor |
