function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albornoz-Garzón, Juan G. & Conde-Saldaña, Cristhian C.', 1],
    ['Ferraris, Carl J. & Jr & Santana, Carlos David de', 8],
    ['Ota, Renata Rúbia & Deprá, Gabriel de Carvalho', 1],
    ['Reia, Lais & S. da Costa e Silva, Gabriel', 1],
    ['Schreiner, C. & Miranda-Ribeiro, A. de', 1],
    ['Sébastien Brosse & Fréderic Melki & Régis Vigouroux', 1],
    ['Triques, M. L.', 1],
    ['W. Peters', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=16)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);