function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baroga, Jessica B. & Yap, Sheryl A. & Robillard, Tony', 2],
    ['Baroga-Barbecho, Jessica B. & Tan, Ming Kai & Yap, Sheryl A.', 16],
    ['Desutter-Grandcolas, Laure & Anso, Jérémy & Jourdan, Hervé', 1],
    ['Hollier, John & Bruckner, Harald & Heads, Sam W.', 1],
    ['Robillard, Tony', 14],
    ['Robillard, Tony & Tan, Ming Kai', 3],
    ['Robillard, Tony & Yap, Sheryl', 3],
    ['Robillard, Tony & Yap, Sheryl & Yngente, Mark V.', 4],
    ['Tan, Ming Kai & Japir, Razy & Chung, Arthur Y. C.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=46)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);