function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cremonte, Florencia & Drago, Fabiana B.', 1],
    ['Fernandez, Juan Manuel & Thomann, Luz & Fandiño, Blas', 2],
    ['Fischer, Wagner & Faria de Godoi, Raquel', 3],
    ['Gomes, Vitor & Silveira, Luís Fábio', 2],
    ['Gonza ́ Lez-Acun, Daniel A. & Palma, Ricardo L.', 2],
    ['Hermann, Johann', 1],
    ['Lima, Rafael Dantas & Silveira, Luís Fábio', 3],
    ['Machado, Tatiana Lemos da Silva & Marques de Oliveira, Uéslei', 3],
    ['Maxwell, Erin E.', 1],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 1],
    ['Silva, Robson Silva e', 1],
    ['Smith, Paul & Cibois, Alice & Straube, Fernando', 1],
    ['Sánchez-Montes, Sokani & Colunga-Salas, Pablo', 1],
    ['Valim, Michel P. & Silveira, Luís F.', 2],
    ['Vitorino, Breno Dias & Vilas Boas da Frota, Angélica', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=26)',
    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);