| article html file updated | 9 February 2020 04:01 CET | Update | https://www.mdpi.com/2305-6320/5/1/13 |
| article html file updated | 30 September 2019 03:37 CEST | Update | - |
| article html file updated | 2 May 2019 00:12 CEST | Update | - |
| article html file updated | 17 April 2019 22:42 CEST | Update | - |
| article html file updated | 28 March 2019 17:41 CET | Update | - |
| article html file updated | 29 March 2018 07:56 CEST | Update | - |
| article html file updated | 27 March 2018 16:34 CEST | Update | - |
| article html file updated | 23 January 2018 18:28 CET | Original file | - |
| article xml uploaded. | 23 January 2018 18:27 CET | Original file | https://www.mdpi.com/2305-6320/5/1/13/xml |
| article pdf uploaded. | 23 January 2018 18:27 CET | Version of Record | https://www.mdpi.com/2305-6320/5/1/13/pdf |