function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barone, Mariana L. & Werenkraut, Victoria & Ramírez, Martín J.', 7],
    ['Candek, Klemen & Gregoric, Matjaz & Kostanjsek, Rok', 5],
    ['De Oliveira, Luiz Fernando M. & Brescovit, Antonio Domingos', 40],
    ['Dean, David Allen', 19],
    ['González, María E. & Ramírez, Martín J.', 9],
    ['Laborda, Álvaro & Ramírez, Martín J. & Pizarro-Araya, Jaime', 8],
    ['Lin, Yejie & Marusik, Yuri M. & Gao, Caixia & Xu, Hao', 9],
    ['Lin, Yejie & Zhao, Huifeng & Koh, Joseph K H & Li, Shuqiang', 5],
    ['Martínez, Leonel & Brescovit, Antonio D. & Villarreal, Eduardo', 35],
    ['Nadine Duperre & Elicio Tapia', 20],
    ['Oliveira, Luiz Fernando M. & Brescovit, Antonio D.', 32],
    ['Oliveira, Luiz Fernando M. & De Alvarenga, José Geraldo G.', 11],
    ['Rivera-Quiroz, F. Andrés & Álvarez-Padilla, Fernando', 31],
    ['Soto, Eduardo M. & Ramírez, Martín J.', 17],
    ['Werenkraut, Victoria & Ramírez, Martín J.', 11],
    ['Other (20)', 38]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=297)',
    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);