function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Castro, Peter', 4],
    ['Coelho, Petrônio Alves & Almeida, Alexandre Oliveira De', 2],
    ['GUINOT, DANIÈLE & TAVARES, MARCOS & CASTRO, PETER', 1],
    ['González, José A.', 1],
    ['Henderson, J. R.', 1],
    ['In, First Published', 6],
    ['Kropp, Roy K. & Takeda, Masatsune', 1],
    ['Ortiz, Luis Hernández Georgina Ramírez & Reyes-Bonilla, Héctor', 2],
    ['Stimpson, William', 1],
    ['Van Der Meij, Sancia E. T.', 1],
    ['Van Der Meij, Sancia E. T. & Berumen, Michael L.', 2],
    ['Zayasu, Yuna & Nomura, Keiichi & Seno, Koutaro & Asakura, Akira', 1],
    ['van der Meij, Sancia E. T.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);