| article html file updated | 7 February 2020 05:06 CET | Update | https://www.mdpi.com/2220-9964/5/3/23 |
| article html file updated | 5 May 2019 23:06 CEST | Update | N/A |
| article html file updated | 26 March 2019 21:53 CET | Update | N/A |
| article html file updated | 28 March 2016 11:22 CEST | Original file | N/A |
| article xml uploaded. | 2 March 2016 03:56 CET | Update | https://www.mdpi.com/2220-9964/5/3/23/xml |
| article pdf uploaded. | 1 March 2016 12:12 CET | Updated version of record | https://www.mdpi.com/2220-9964/5/3/23/pdf |
| article pdf uploaded. | 26 February 2016 11:33 CET | Version of Record | https://www.mdpi.com/2220-9964/5/3/23/pdf-vor |
| article xml uploaded. | 26 February 2016 11:33 CET | Original file | N/A |
