function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Gu, J. X. & Dai, L. & Huang, J. H.', 33],
    ['Hollier, John & Bruckner, Harald & Heads, Sam W.', 263],
    ['Otte, Daniel', 132],
    ['Robillard, Tony', 17],
    ['Robillard, Tony & Desutter-Grandcolas, Laure', 22],
    ['Simeu-Noutchom, Alain & Heller, Klaus-Gerhard', 16],
    ['Skejo, Josip & Rebrina, Fran & Szövényi, Gergely', 15],
    ['Sultana, Riffat & Sanam, Surriya & Kumar, Santosh', 17],
    ['Tan, Ming Kai & Abdul Wahab, Rodzay bin Haji', 14],
    ['Tan, Ming Kai & Japir, Razy & Chung, Arthur Y. C.', 15],
    ['Tan, Ming Kai & Robillard, Tony', 22],
    ['Tan, Ming Kai & Wahab, Rodzay bin Haji Abdul & Japir, Razy', 14],
    ['Yang, C. & Wei, Z. - D. & Liu, T. & Liu, H. - Y.', 17],
    ['Yong, Sheyla & Perez-Gelabert, Daniel E.', 97],
    ['Zefa, Edison & Martins, Luciano De Pinho', 33],
    ['Other (130)', 479]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1206)',
    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);