function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahmad, J.', 3],
    ['Arabuli, Lela & Murvanidze, Lali & Faltynkova, Anna', 3],
    ['Bray, Rodney A. & Cribb, Thomas H.', 4],
    ['Chambers, Clinton B. & Cribb, Thomas H.', 3],
    ['Layman, E. M.', 3],
    ['Linton, E.', 3],
    ['Looss, A.', 3],
    ['Lopes, Daniela A. & Mainenti, Adriana & Knoff, Marcelo', 3],
    ['Manter, Harold W.', 10],
    ['Parukhin, A M', 3],
    ['Shen, J. - w.', 5],
    ['Shen, J. - w. & Qiu, Zhaozhi', 4],
    ['Siddiqi, Ather H. & Cable, Raymond M.', 3],
    ['Srivastava, H. D.', 5],
    ['Yamaguti, S.', 25],
    ['Other (61)', 77]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=157)',
    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);