function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arai, Hisao P. & Smith, John W.', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 1],
    ['Garman, S.', 1],
    ['Hubbs, Carl L. & Schultz, Leonard P.', 2],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 1],
    ['Lee, Soo Jeong & Kim, Jin-Koo & Kai, Yoshiaki', 4],
    ['Lindberg, G. U. & Legeza, M. I.', 4],
    ['Lipej, Lovrenc & Dulčić, Jakov', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 9],
    ['Mandrytsa, S. A.', 1],
    ['Mednikov, B. M. & Prokhorov, V. G.', 1],
    ['Myers, G. S. & Böhlke, James E.', 1],
    ['Oku, Kanami & Imamura, Hisashi & Yabe, Mamoru', 6],
    ['Simian, Gaëlle & Abraham, Daniel & Bailly, Nicolas', 2],
    ['Soldatov, V. K. & Lindberg, G. U.', 1],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=39)',
    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);