| article html file updated | 9 February 2020 07:09 CET | Update | https://www.mdpi.com/2309-608X/4/1/29 |
| article html file updated | 30 September 2019 22:17 CEST | Update | - |
| article html file updated | 1 May 2019 17:21 CEST | Update | - |
| article html file updated | 17 April 2019 16:43 CEST | Update | - |
| article html file updated | 29 March 2019 00:24 CET | Update | - |
| article html file updated | 28 March 2018 10:27 CEST | Update | - |
| article html file updated | 23 February 2018 07:20 CET | Original file | - |
| article xml uploaded. | 23 February 2018 07:19 CET | Original file | https://www.mdpi.com/2309-608X/4/1/29/xml |
| article pdf uploaded. | 23 February 2018 07:19 CET | Updated version of record | https://www.mdpi.com/2309-608X/4/1/29/pdf |
| article pdf uploaded. | 21 February 2018 04:47 CET | Version of Record | https://www.mdpi.com/2309-608X/4/1/29/pdf-vor |
