function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aswaj, Punnath & Anoop, Karunakaran', 3],
    ['Collingwood, C. A.', 2],
    ['Eguchi, K. & Viet, B. T. & Yamane, S.', 1],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 4],
    ['Forel, A.', 2],
    ['Gratiashvili, N. & Barjadze, S.', 1],
    ['Lapeva-Gjonova, Albena & Antonova, Vera', 2],
    ['Liu, Cong & Fischer, Georg & Liu, Qing & Peng, Yan-Qiong', 5],
    ['Liu, Cong & Guenard, Benoit & Garcia, Francisco Hita', 2],
    ['Shattuck, S. O.', 14],
    ['Shattuck, Steve', 15],
    ['Sheela, S. & Kazmi, S. I. & Roy, S.', 3],
    ['Smith, F.', 5],
    ['Ward, P. S.', 3],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 2],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=71)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);