function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Khazali, Azhar Mohammed & Kachel, Hamid Saeid', 2],
    ['Alberto T. Barrion & Aimee Lynn A. Barrion-Dupo', 2],
    ['Candek, Klemen & Gregoric, Matjaz & Kostanjsek, Rok', 7],
    ['Crespo, Luis C & Domenech, Marc & Enguidanos, Alba', 3],
    ['Dean, David Allen', 9],
    ['Deltshev, Christo & Komnenov, Marjan & Blagoev, Gergin', 4],
    ['Faleiro, Bárbara T. & Santos, Adalberto J.', 7],
    ['Grismado, Cristian J. & Rubio, Gonzalo D.', 5],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 14],
    ['Huang, Zongguang & Yin, Haiqiang & Cai, Qu & Xu, Xiang', 3],
    ['Liang, Yun & Cai, Qu & Liu, Jinxin & Yin, Haiqiang & Xu, Xiang', 4],
    ['Paschetta, Mauro & Christille, Claretta & Marguerettaz, Fabio', 2],
    ['Salvatierra, Lidianne & Tourinho, Ana Lúcia', 3],
    ['ZONSTEIN, SERGEI & MARUSIK, YURI M.', 2],
    ['Zonstein, Sergei & Marusik, Yuri & Omelko, Mikhail', 2],
    ['Other (14)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=83)',
    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);