This study is conducted in Europe. The aim of this study is to evaluate ease of injection of growth hormone in patients using Norditropin NordiFlex® with NordiFlex PenMate™. Convenience and tolerability of NordiFlex PenMate™ - an automatic injection and a needle hiding device - is also evaluated.

Inclusion Criteria:

• After the physician decision has been made to use Norditropin Nordiflex® growth hormone therapy in accordance with the locally approved labelling, any subject is eligible for the study, including newly diagnosed subjects who have never received growth hormone therapy before and subjects who were treated with the other growth hormone products (with exclusion of patients who received previously Norditropin Nordiflex®) and need to be switched to a new product. The selection of the subjects will be at the discretion of the individual physician

Exclusion Criteria:

• Contraindications to Norditropin® growth hormone therapy
• Subjects who have received Norditropin NordiFlex® prior to this study

Subjects from secondary care physicians who prescribe growth hormone will be included in the study. Children who are available for Norditropin® treatment in accordance with the labelling will be included in the study: Newly-diagnosed subjects who have never received growth hormone therapy before and subjects in whom physician identifies a need for switch to another growth hormone preparation