function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Balke, Michael & Bilton, David T. & Garcia, Mauricio', 2],
    ['Balke, Michael & Megna, Yoandri S. & Zenteno, Nilver', 8],
    ['Balke, Michael & Neven, Katja & Villastrigo, Adrian', 8],
    ['Balke, Michael & Suarez-Megna, Yoandri & Ospina-Torres, Rodulfo', 1],
    ['Keller, Oliver & Schnepp, Kyle E. & Ashman, Krystal L.', 2],
    ['Luna-Luna, Alba Magali & Martins, Caleb Califre', 2],
    ['Ordish, Ronald Garth Mr.', 2],
    ['Ramahandrison, Andriamirado Tahina & Rakouth, Bakolimalala', 1],
    ['Webster, Reginald P. & DeMerchant, Ian', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=27)',
    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);