function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acosta, Luis E. & Fet, Victor', 1],
    ['De, Claudio Augusto R. & Candido, Denise M.', 10],
    ['Kovařík, František', 3],
    ['Kovařík, František & Teruel, Rolando', 3],
    ['Kovařík, František & Teruel, Rolando & Lowe, Graeme', 3],
    ['Lourenco, Wilson R.', 3],
    ['Lourenço, Wilson R.', 3],
    ['Moreno-Gonzalez 1, Jairo A. & Pinto-da-Rocha 1, Ricardo', 3],
    ['Moreno-González, Jairo A. & O, Ranulfo González', 8],
    ['Pinto-Da-Rocha, Ricardo & Cabra-García, Jimmy', 5],
    ['Teruel, Rolando', 6],
    ['Teruel, Rolando & Rivera, Mel J. & Santos, Carlos J.', 4],
    ['Teruel, Rolando & Santos, Gabriel de los', 2],
    ['Ythier, Eric', 4],
    ['de Armas, Luis F.', 8],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=75)',
    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);