public String toStringVcfNmd() {
		StringBuilder sb = new StringBuilder();

		for (Gene gene : genesNmd) {
			if (sb.length() > 0) sb.append(','); // Separate by comma

			double perc = percentOfTranscriptsAffected(gene, transcriptsNmd);
			VcfNmd nmdent = new VcfNmd(gene, perc);

			sb.append(nmdent.toString());
		}

		return sb.toString();
	}