function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bernard, F.', 11],
    ['Clark, J.', 16],
    ['Emery, C.', 10],
    ['Forel, A.', 45],
    ['Jaitrong, Weeyawat & Yamane, Seiki & Noon-Anant, Nawee', 6],
    ['Jimoh, Bunmi Omowumi & Gomez, Kiko & Kemabonta, Kehinde Abike', 12],
    ['Kohout, R. J.', 41],
    ['Martynov, Alexander V. & Radchenko, Alexander G.', 11],
    ['Mayr, G.', 36],
    ['Rigato, Fabrizio', 34],
    ['Roger, J.', 10],
    ['Santschi, F.', 30],
    ['Smith, F.', 124],
    ['Wheeler, W. M.', 19],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 6],
    ['Other (14)', 23]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=434)',
    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);