| article html file updated | 10 February 2020 00:28 CET | Update | https://www.mdpi.com/2079-9721/6/3/61 |
| article html file updated | 30 April 2019 04:08 CEST | Update | - |
| article html file updated | 15 April 2019 23:28 CEST | Update | - |
| article html file updated | 30 March 2019 18:16 CET | Update | - |
| article html file updated | 26 September 2018 09:23 CEST | Update | - |
| article html file updated | 2 August 2018 05:49 CEST | Update | - |
| article html file updated | 9 July 2018 13:22 CEST | Original file | - |
| article xml uploaded. | 9 July 2018 13:21 CEST | Update | https://www.mdpi.com/2079-9721/6/3/61/xml |
| article pdf uploaded. | 9 July 2018 13:21 CEST | Updated version of record | https://www.mdpi.com/2079-9721/6/3/61/pdf |
| article pdf uploaded. | 7 July 2018 15:25 CEST | Version of Record | https://www.mdpi.com/2079-9721/6/3/61/pdf-vor |
