function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barrientos, Jose A. & Prieto, Carlos E. & Pina, Silvia', 2],
    ['Candek, Klemen & Gregoric, Matjaz & Kostanjsek, Rok', 4],
    ['Crespo, Luis C & Domenech, Marc & Enguidanos, Alba', 2],
    ['De Oliveira, Luiz Fernando M. & Brescovit, Antonio Domingos', 1],
    ['Dean, David Allen', 7],
    ['Durán-Barrón, César G. & Pérez, Tila M. & Brescovit, Antonio D.', 2],
    ['Isaia, Marco & Paschetta, Mauro & Chiarle, Alberto', 1],
    ['Li, Shikai & Wang, Shilin & Mi, Xiaoqi & Wang, Cheng', 4],
    ['Lin, Yejie & Marusik, Yuri M. & Gao, Caixia & Xu, Hao', 6],
    ['Milano, Filippo & Mammola, Stefano & Rollard, Christine', 1],
    ['Paschetta, Mauro & Christille, Claretta & Marguerettaz, Fabio', 1],
    ['Rivera-Quiroz, F. Andrés & Álvarez-Padilla, Fernando', 25],
    ['Sundevall, Carl Jakob', 1],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 1],
    ['ZONSTEIN, SERGEI & MARUSIK, YURI M.', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=60)',
    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);